Mazdaspeed 3 vacuum leak symptoms. I suppose guides ocould be worn enough or seals .

Mazdaspeed 3 vacuum leak symptoms P2096 Code and PCV hose leak on Mazda 3. Quick Links. This fuel pump is a constant pressure What symptoms are you getting & what fuel pressure? would any leaks at injector seals cause no/low fuel pressure? 2MEKE, Apr 23, 2021 #4. png. mikeyboy2006 Discussion starter. Show Less . If your STFT is still high past 1500 rpm, you could have a fuel issue Reply reply Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > [SOLVED] Fuel Pressure Issue Need diag help. Which was brand new had less then 1K miles last codes I had were: bank 1 too lean o2 #3 stuck, random misfire, system lean-Tried new MAF-Checked all plugs-Looked for vac leaks-Tried pulling individual injectors-Cleaned EGR, plunger moves smoothly-Cleaned throttle body-Tried good battery-New downstream sensor edit: should add that I swear I can hear a vacuum leak. Full Forum Listing. Its like trying to identify a car by taking a picture of the headlight. Tags: cracked hose; fuel leak; fuel repair; resolved; Watchers: Vacuum leaks can exist between the throttle plate and the cylinder head. 11K subscribers in the mazdaspeed3 community. 5-4k at "idle". Step 4: Inspect the Wiring Harness at the Purge Valve Explore common causes of vacuum leaks in the 2013 Mazda 3, including symptoms and repair costs for intake manifold gaskets, PCV valves, and more at RepairPal. K. 2. Doesn't seem like a huge leak right now since the trim isn't super high. Use a vacuum pump to verify that the IMRC actuator can still operate the butterflies. Vacuum leaks Vapour canister valve Cleaned MAF and O2 sensor Changed my plugs 2004 to 2020 Mazda 3 Forum and Mazdaspeed 3 Forums. Listen to the engine running. The Mass Airflow (MAF) sensor is responsible for measuring how much air is going into the engine. Engine operating problems. com Save Share I have the same symptoms and can't locate what the problem is. The car’s motor mounts were verified, no. Anyone know how to source the retaining clip that secures the brake booster hose to the intake manifold? No luck on forums, parts diagrams, or mazda dealer. My stubbornness to fix it by myself has almost reached an end. durkinnj, Nov 12, 2024, in forum: Mazdaspeed 6 Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting I can’t stress this one enough. Engine vacuum leaks are commonly associated with the following symptoms, but keep in mind that this list is not exhaustive. Another possibility, as CK suggested, is that failing plugs could be causing a misfire, which would have the O2 sensors Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > Did my Turbo just puke? Discussion in 'Mazdaspeed 3 Troubleshooting' started by rang-a-stang, Was the oil located in the vacuum port fitting on the tip? DTB, Jun 28, 2020 #13. However, I've never heard of these specific symptoms happening on a 3. 5 Mazdaspeed Protege x2. I did find that I can keep it running if I play with the throttle and can hear the leak. Discussion in 'Mazdaspeed 3 Troubleshooting was told i should pull the spark plugs and check them in addition to doing a compression/leak down test, yay lol Im out in St. I haven't done anything to the exhaust system or turbo, it came with the CBE, ill look for leaks. It goes away when engine warms up. Recent Posts; Recent Here is the quick and dirty on how to perform a boost leak test and build a tester. After about 4K RPM the turbo gets extra loud and will somewhat sputter but the car doesn’t feel like it’s sputtering. My question is could it still be injector seals considering my symptoms or should I look else where to solve this Signs of an Engine Vacuum Leak. They sent me two pictures of it . Most of them are easy enough to check, but there are a lot of them. a vacuum leak would allow fresh unmetered air into the mixture but either (vacuum leak or induction Symptoms of a vacuum leak can manifest in various ways, impacting both the vehicle’s performance and drivability. Everything seems to be running okay, no weird noises are drivability issues Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > limited/fixed HPFP pressure, misfire, drop in power, and inability to reach high revs smoothly. If you don't want to pull the head and don't have access to a leak down tester, you can get a cheap endoscope on amazon and look in the spark plug hole, also try putting a little bit of oil down the spark plug hole and doing another compression check, might see a slight change if it's ring related. 2008. There's a few things that can cause oil consumption. 7 bars, and then the motor run good, afr goes to As noted, requesting some help solving my nagging vacuum leak (code PO2279). If your 3 has a vacuum-operated IMRC, you can control the butterfly valves with a vacuum pump (like a Mityvac). ADMIN MOD symptoms from exhaust valve . 1 motor mount was changed, MAF sensor is ok, no vacuum leaks, no oil leak from the passenger side motor mount. Augustine near Jacksonville Skiian, Dec 17, 2017 #4. Full Forum Listing Exhaust leak is the only option here. 2004 V6 EX with 150K miles. Nov 26, 2015 What are the differences in symptoms with malfunctioning WGA and BPV(also stocker)? H. Occasionally while idling in neutral or with the clutch depressed the idle will jump up to 2500 briefly and back down to normal over and over again. STFT is back to normal but LTFT goes up to -12% at idle. Smoke test detected no vacuum leaks, changed spark plugs and MAF sensor but no results. org, the number one resource for all things Mazdaspeed! Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > Brake Booster Vacuum line. So, if you have a P0300 instead of a specific cylinder code, it wouldn’t hurt to start checking here! I have a 2007 mazdaspeed 3 that has P0300 missfire that has started again! I also has Hello! I'm new to the forums, but I came here looking for some help, I bought a 2010 Mazdaspeed 3, so 2nd gen, with only 35k miles at the time of purchase (3-4 months ago) current Mileage is 39,500. Just checked it and cleaned it. P0108 is a generic OBD-II trouble code. 3. ↳ MAZDASPEED3/Mazda 3 MPS Tuning; ↳ MAZDASPEED6/Mazda 6 MPS Tuning; ↳ CX-7 Tuning; ↳ Gen 2 Tuning; ↳ MAZDASPEED3/Mazda 3 MPS Tuning; ↳ Mazda RX-8; ↳ Series II Tuning; At the time it was a slow leak and nothing was showing up on the skid plate to indicate there was a lot of oil being lost. Kaizen. One of the most common indications is a rough idle, where the engine may shake or vibrate more than normal while at a standstill. P0108 Symptoms Mazdaspeed 3/6 MZR Gen1 Forums (2006-2009) > Mazdaspeed3/6 General Discussion: Rough idle, doesn't want to start after fill up, runs rich, vacuum leak, backfires User Name: Remember Me? Password: Garage: Calendar: Forum Rules: Today's Posts: Search Welcome to Mazdaspeed Forums. Both the Mazdaspeed 3 and Mazdaspeed 6 are still equipped with your modern electric in-tank fuel pump. Tags: +ltft usually means vacuum leak, are you stock or what mods? chris' speed 3, Jan 11, 2023 #19. 5 inch JBR intake, BNR S3 turbo, 3 BAR Map Valves bent/stuck open or your piston is fucked or both. It's a metered hole Forums > Mazdaspeed 3/6 General Section > Mazdaspeed 3/6 Engine > Smoking and Oil Loss (Troubleshooting Nightmare) The leakdown was done dry and all cylinders were sitting at around 25% leak. Let It sit for about 30-40 minutes. tuned for 91 and E30 (18 psi +/- 2). How to Find a Vaccum Leak in a Vehicle (Popular Mechanics, Article) How to Find a Vacuum Leak in about a Minute (2CarPros, YouTube) A vacuum leak can come from bad vacuum hose, the Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 General Discussion > Boost Leak. Joined: Feb 28, 2019 Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > Home. Come join the discussion about MazdaSpeed performance, modifications, classifieds, troubleshooting, maintenance, and more! Show Less . Discussion in 'Mazdaspeed 3/6 Engine' started by Riley Aside from common issues in this scenario. 0 % 40% of the time it's the Vaccum leak? Discussion in 'Mazdaspeed 3 Troubleshooting' started by Karmass, Nov 22, 2021. That could indicate a vac leak somewhere. And if you have an ap. Removed the Intercooler to check the spark plugs (they're whitish but still usable) and checked for leaks on the Boost solenoid. Be cautious when doing this, as these substances are flammable. 3 bars, normale it was -0. Replies: 1 Views: 1,028. What are the likelihood? AutoLine Pro Automotive Smoke Machine Leak Detector EVAP Vacuum Diagnostic Tester 3. Fuel Leak - broken fuel line. Vacuum Leak?! Lean at Idle! Akia Hawkins, Mar 23, 2023, in forum: Mazdaspeed 3 Troubleshooting. Tags 2004 to 2020 Mazda 3 Forum and Mazdaspeed 3 Forums. Jump to Latest 2K views Now I seem to be building boost only when I Rev over 5k, is that still a vacuum leak? (At idle) Also is throwing a p0300 code so I am replacing the spark plugs and ECT sensor, maybe injectors soon too if these don't resolve 2013 MazdaSpeed3 152,000 Mi Chicago, IL P0171 Same Cobb AP PD Tuning No Yes Recent repairs, Installed 3. 2010-13 Mazdaspeed 3 Engine and Performance. M. Hi, just want to know if there is a way for detailed inspection of vacuum lines. Somewhere around -8 to -12 psi. High Idle Speed. 632K I figured it was a vacuum leak from reusing the throttle body and intake manifold gaskets. I performed a leak down test on all other cylinders and they hold pressure with only 5-7% loss through the rings. The most common reasons a Mazda 3 has a vacuum leak are leaking vacuum hoses, leaking gaskets and seals, or bad actuators and valves. Therefore, a vacuum Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > Stumbling, hesitation, numb gas peddle, Fuel trims crazy, Lean, P2187. Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting Your ltft is also kinda, especially in datalog 61 where it's in the 15's. Do you hear a hissing or whistling noise coming from anywhere? Vacuum leaks are pretty easy to detect as well. How did you diagnose your vacuum leak? I know you did a head gasket: when reinstalling the intake manifold, it is critical to clean the surfaces thoroughly and carefully. around 15+ psi. What are your fuel trims? That can help diagnose the issue. But your symptoms and historical problems with these cars are all Common Symptoms of a Vacuum Leak. There aren’t usually any drivability A shop would use an evap smoke tester, pumps smokey air into the system under light pressure and you look for the leak and if nothing comes out you cycle the purge and vent valves and recheck it looks like they’re $90 on Amazon which is still well under an hour of shop labor lol. The knock isn’t consistent though, as some pulls I’ll see under 1 degree. This method will expose any of these things. Some 2007-2009 Mazda CX-7, 2007-2009 Mazdaspeed3, and 2006-2007 Mazdaspeed6 vehicles may experience hesitation or surging when accelerating after engine warm-up. Is the easiest way to check just the carb cleaner or starter fluid spray method while watching the rpm? Discussion in 'Mazdaspeed 3 Troubleshooting' started by Woodzms3, Oct 6, 2020. Rough idle and high STFT usually indicates a vacuum leak. I’ve 2003 Mazdaspeed Protege, 2008 Mazda 3 Hatchback, 1984 RX7 GSL-SE. 632K posts 134K members Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 When it comes to ltft 10 or more you have a leak 5 or less is ideal and 7 you should probably look into it. One of the hallmark symptoms of a vacuum leak is an unstable idle speed. Whenever I pressurize the system, all I get is flow coming out of the valve cover. I wasn’t aware the placement was that important. It can happen. It's most commonly caused by a bad MAP sensor, wiring issue, or vacuum leak. fixdapp. jsmith Silver Using my Mazdaspeed 3, we will go through some of the diagnostic steps of Boost Leak testing, and touch on some other common causes of a lean at idle code. These are all intermittent based on how warm things are. Spray a small amount of carburetor cleaner or brake cleaner around the base of the throttle body. I had a shop install the new throttle body. The part number is BA6R43630. A crimped PCV valve o-ring caused it. I would say a bad or improperly routed vacuum hose is the root cause for about 70% of all issues. If a leak occurs between the MAF sensor and the engine, measured air is lost. When the vacuum system leaks, it throws off the air balance in the combustion chamber. An engine with a 2012 Mazdaspeed 3. I’ve been noticing abnormally high knock under WOT, typically between 2-3 degrees, no matter which fuel/tune I’m on. You might also notice increased RPMs during idle, suggesting that the engine is compensating for No leaks on ground, no symptoms. I haven't done a wet test to verify if the leak decreases or not, but that's for another time. or a system hose gets disconnected or ruptured—producing a vacuum Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > Cranks, starts, then dies unless manually choking it As for the symptoms, putting your hand over the throttle body with the intake disconnected is kind of a no go, since the MAF is used to measure air intake and with that connected to turbo it's reading whatever the Vacuum leak. 8 bars at idle. This sound was not normal. which made me think that there was a vacuum/boost leak, but that was fixed after I had her ECU tuned properly with Stratefied. Here we give love to the awesome hot-hatch, pass around notes, and share Vacuum pump problem? Tags 2004 to 2020 Mazda 3 Forum and Mazdaspeed 3 Forums. Karmass Greenie N00B Member. Vacuum Leak Testing for Vacuum Leaks. 632K posts 134K members Since 2008 Come discuss all things Mazda 3 from the Mazda '08 Mazdaspeed 3 - Some mods. Here are some of the most common ones. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > EVAP CELs, puking gas from filler and slow fillups so that the air displaced from the tank can vent to atmosphere while filling but without introducing any vacuum leaks to the intake manifold when the engine is running. As most of you know, valve cleaning is a regular maintenance procedure that many of us have gone through, or still need to. However, the stocker is not a BOV, so this does not hold true. No noticeable loss in Check those clamps and connections first. 3 and 14. 632K posts 134K members Since 2008 Come discuss all things Mazda 3 from the Mazda I have a 2012 Mazdaspeed3, 78k miles. 2005 Mazda3 Hatchback If I tight them really good, the symptoms re-appear. org, the number one resource for all things Mazdaspeed! Forums > Mazdaspeed 3 Section (2007-2013 you really want to setup a catch can while doing the other little things to minimize all the symptoms of that hot oily fog that lives inside the case. I ran a brake cleaner hose down into the broken off vacuum port, clamped a v hose to that as best I could, then JB Kwik'd it all into place on the green actuator housing. Tags cel maf malfunction p0101 random sri tech. A vacuum leak will often result in rough or slow acceleration What other symptoms did you experience apart from the CEL (P0171). Joined: Nov 19, 2021 Posts: 2 Trophy Points: 1 Location: Cali Ratings: +0 / -0. 25" ETS TMIC, Forge BPV, SU Boost Tubes, RPM Prototype Sport Springs, TWM Short Shifter and bushings, SU motor mount, Nokya H11 yellow foglights, RX8 wheels on 235/40 General Exclaim UHP, rolled fender lips, Fujita CAI, 3" custom single outlet exh with 2 (yes, 2) An exhaust leak can cause the oxygen sensors to register that the mixture is too lean. Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > Home. Discussion in 'Mazdaspeed 3 Troubleshooting' started by DotBoi, Jul 23, 2020. The car has 83k miles on it. did a hpfp cleaning and about to replace my fuel rail fuel sensor. mangosmoothie, Oct 26, 2019 #2. May 26, 2016 #11 A bad WG diaphragm would cause a vacuum leak, have you done a compression test? I would do a leak down test and see what your results are as well as a compression test. but seeing if im missing something P2006 Symptoms: Mazda 3. 632K posts 134K members Have them check for vac leak. On the prior oil change I noticed was down almost a quart over the interval, same on the oil change I did today. Hissing/Whistling coming from the engine bay (this indicates a vacuum leak is the cause) Gas Smell . - Your vacuum readings are OK, I don't think you have a vacuum leak. What might cause this? Bad PCV? Bad turbo? Leak coming from valve cover side of the hose. 2004 to 2020 Mazda 3 Forum and Mazdaspeed 3 Step 3: Test the Vacuum Line. In addition, it Forums > Mazdaspeed 3/6 General Section > Mazdaspeed 3/6 Engine > Vacuum is good and the car has practically brand new plugs and coils. Hi! I would start by looking for a boost leak since you've worked on vacuum hoses (smoke test would be my favorite method). Vacuum Leak. Welcome to r/mazdaspeed3. It's like a heart beat from about 700RPM to about 1100RPM when I'm sitting at stoplights. BUILDING THE TESTER. 9K views I pulled the entire JBR SRI and inspected it and there was no leaks and no leaks at the EBCS tubes and all the other vacuum/pressure hoses, no audible leaks. that would kill the power immediately. repeat. Getting extra air can be the result of a vacuum leak, pcv leak, or exhaust leak. We had just gotten it the way he wanted, had a good tune on it, racing Thread by: MSMiata , Jan 3, 2023 , 11 replies, in forum: Mazdaspeed 6 Troubleshooting Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > no boost leaks, replaced my 3 port EBCS, and the turbo seems to be fine as far as shaft play goes. Share This Page. Any hoses with nicks, tears, rips, or cuts should be replaced with a good quality silicone vacuum hose. Test for vacuum leaks the same way you do for boost leaks. I can disconnect the MAF and it will start and rev to 3. 632K posts 134K members Since 2008 Come discuss all things Mazda 3 from the Mazda GT hatchback to Mazdaspeed, sedan and 2010 Mazdaspeed 3 w/ Tech package - Velocity RED COBB Accessport Stage2+cpCAI 91 BT Safe Mode / CP-E Xcel Cold Air Intake / Corksport Racepipe / BORLA exhaust / CP-E Rear Mortor Mounts 75du / Forge bypass valve / NEXTMOD M'z style full lip kit / OZ Racing Ultraleggera Crystal Titanium 18x8 / TWM base bushings / DDM 6000 HID / Testing for Vacuum Leaks. U0100 & lean at idle + can't figure out boost leak test. A leaking vacuum system will often cause the 3 to idle higher. I can't remember the name of the part, but it is cheap and easily repairable. When diagnosing a boost control issue, start with a visual inspection of all vacuum hoses in the system. I took the car for a spin and noticed that the vacuum is sitting lower at idle and in between gears. did you figure out your issue? just had these same symptoms come up. Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > Vacuum Leak?! Lean at Idle! Found a couple small vacuum leaks, including MAF sensor oring was broken. Others: 2010 Mazdaspeed 3 w/Tech Package 6MT (Current) | 2019 Chevrolet Camaro 2SS 1LE 6MT Shock (Sold) | 2015 Chevrolet Corvette Z51 2LT 7MT VYT (Flood totaled) Air-related issues, such as vacuum leaks or sensor-related problems, are more prone to causing a P0300 code — they affect more than just one cylinder. . for additional context: I’ve had this 2012 Mazdaspeed 3 for a few months. I pressure tested the intake and Welcome to r/mazdaspeed3. 3In this video we will show you how to remove and replace the high pr Welcome to r/mazdaspeed3. I hoping piston 3 hasn't been severely Customer Complaints ‍ Vacuum Leak 沈 - - - #mazdaspeed #nation #car #jdmnation #honda #rotor #japan #club #rotarypower #nsx #stancenation #rb #gt I ran into some issues with the car not hitting boost targets, which made me think that there was a vacuum/boost leak, but that was fixed after I had her ECU tuned properly with Stratefied. Start up was always a tad delayed, hiccups & bad fuel mileage were obviously felt. These symptoms may be noticed by the customer before a MIL illumination with DTC P0134, P2096, P2097, P2177, P2187, P2188, P2195, or P2237 is stored in memory. Do you have a big vacuum leak? A vacuum leak with cause lean fuel trims and the ECU can dump fuel to •Leaky or loose oil filler cap •Air leaking into the intake manifold downstream from the Mass Airflow sensor due to the manifold itself, vacuum hoses off or cracked, leak MAP sensor, Leak at turbo bypass or it's stuck open, power brake booster hose, or a leak in the EVAP system hoses. Symptoms: 3 P0171 Code Symptoms. I finally took it to the mechanic and got a leakdown test done and it was determined the cylinder 2 exhaust valves are toast It would occasionally get water and muck on it that needed cleaning out, but no symptoms showing this. However, I shortened the Wastegate arm which put me back up around 15-17psi on my tune with 0 WGDC provided by Nishan. rang-a-stang Greenie Member. Discussion in 'Mazdaspeed 3 General Discussion' started by bspau_ms3, Jun 17, 2016. A couple months ago I noticed that the turbo was getting extra loud after 4K RPM. The MAP sensor measures the air pressure coming into. Yes the turbo is the glaring one in the picture, higher milage K04s are a known weak link. There are a number of things that can make your 3’s engine run too lean at idle and cause P2187. Here’s a good article on how to find a vacuum leak from Popular Mechanics. The symptoms of a vacuum leak are often subtle, yet they can indicate serious issues. The leak down should give you an idea of the condition of the motor and if you have any issues where they might be. Figured it was a boost leak, checked it - sounded like it was coming from my BPV so I got a new one but still sounds the same. I'm looking into potential causes for the exhaust valve leak in cylinder 3. one other related thing to Wont that pull a vacuum once the system begins to cool down? I will take it to a local mechanic to have them pressure test the system for leaks / HG test. One of the barbs was loose and snapped off the boost control solenoid while I was feeling around. TLDR: You can also try propane enrichment or carb cleaner to detect a vacuum leak. Just wanted to share he just about nailed it, damn arathol your trigger is quicker than mine recently. Mazdaspeeds. Save 2004 to 2020 Mazda 3 Forum and Mazdaspeed 3 Forums. Here are some of the most common signs: 1. 6 bars -0. Any ideas? I can't find anything on the internet with these symptoms. There is a night and day different between the acceleration with a boost leak vs without, but it still feels like it's not what it was before all of this. 119 posts · Joined 2006 Add to quote; Only show this user #3 maybe there is a normal "air flow" sound that I think is a Welcome to r/mazdaspeed3. 631K posts If the car is running lean, then you're experiencing one of three things: extra unmetered air (intake/vacuum leak), not enough fuel (clogged/failing injectors, fuel pump, etc), or bad sensors (maf or failing O2 sensors). My 12 3 i 6 speed manual has developed an odd issue in the last few days . So i have a bone stock 2012 speed3 with 80k miles. Random Tech: P0101 CEL - MAF Malfunction . Here are the most common symptoms associated with P2006: If there is a leak, you’ll need to replace the lines. Like 4 months ago, I saw my car smoking on cold (finally was just condensation), but because of that, I saw the afr idling was between 14. jpeg. Cars, music, coffee. 2014-2018 Forums > Mazdaspeed Knowledgebase > Mazdaspeed Troubleshooting Knowledgebase > Mazdaspeed 3 Troubleshooting Knowledgebase (07-13) > Resolved Fuel Leak by Tank. Pulls air in around the sensors and leans out the mixture. Watchers: 3 users. I understand it can be a somewhat common issue on these with the intake mfld I think im getting a vacuum leak somewhere. Seems like a likely leak candidate. ADMIN MOD Brake booster vacuum hose . Obviously a miss from assembly. I think im getting a vacuum leak somewhere. •Faulty MAP sensor •EVAP canister purge valve Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > Exhaust Leak/Soot on Back of Engine w/ Smell. It could be a vacuum leak causing this code. Reactions: Rakesh3012 and zero_gravity. It can save you a headache. 53AD448C-A6B2-4995-B5D9-AB10BA37B4E1. To test for vacuum leaks, follow these steps: Start your 3 and let it idle. Brake fluid is ATE Blue Racing. off to get as much in as you can) the evap system can be contaminated with raw fuel, which can also produce those symptoms. 5L (with 140K miles) and getting horrible fuel economy. Check engine light In order to get the best understanding of the fuel system equipped on these DISI engines, I find it best we start at the very beginning, and the very beginning is in the fuel tank in the rear of the car. mechanic says it could be so small and ask me to live with it 🤷🏻‍♂️ 2004 to 2020 Mazda 3 Forum and Mazdaspeed 3 Forums. 3l mazda mazda speed mazdaspeed ms3. Of course, I will be going a little faster I'm going to pack all the tools I need just in case 2007 vrm ms6 gt gtx3071r-cobb ap-cs front mount intercooler kit w/sri-atp tip-forge bov-cpe turbo manifold-cpe catted dp-cpe single exit straight pipe exhaust-kmd hpfp internals- dw65c intank fuel pump-denso itv22s-sure im & tb thermal spacers-sure shortcut-sure countershift weight-sure anchors- awr 88 duro mounts(rem,passenger & trans. Recognizing the symptoms of a vacuum leak is essential for diagnosing and addressing potential issues before they escalate. 2003 6S MTX, 2006 Fusion engine swap, Fidanza aluminum flywheel, Exedy clutch, Cordova Motorsports 70mm OTB w/ coolant bypass, Custom Spectre CAI, CP-e MAF Customizer, CP-e Wishbone Mount, Magnaflow cat-back, EGR mod, TWM short shifter, SO the checkvalve on my brake booster vacuum line has failed. Clogged or improperly installed air filter. Save Share 2004 to 2020 Mazda 3 Forum and Mazdaspeed 3 Forums Could be an intake manifold leak. What I meant about the picture was not to get closer but rather further away so you can see everything. Having a weird vacuum leak with a jdm engine I swapped into my speed. Like x 1; Christian Schuepbach Greenie N00B Member. Fuel trims look good too, so I don’t suspect a vacuum leak. Joined: Aug 20, 2020 Posts: 44 Car BARELY idles and frequently dies when I press in the clutch long enough for RPMs to drop. Getting a P0171 lean code on my 2. Rough Idling If your looking for small leaks on tank nozzles etc, I generally sprinkle a bit of talcum powder around the suspected leak to get an indication . Problems with the intake manifold gasket can What Are The Symptoms of a Vacuum Leak? The main symptoms of a vacuum leak include: The engine is very sensitive to calculating the air entering the engine, to calculate the right air-fuel mixture. If you don't find any, take a close look at the boost source coming from the turbo. Here we give love to the awesome hot-hatch, pass around notes, and share beauty shots. kgyawa26, Feb 14, 2024, I plan to replace the hose but the oil leak is pretty bad from there. Vacuum leak help So I put a motor in a while ago and it's been having small issues like loss of boost, poor mileage, and is running a bit lean. A vacuum leak can cause erratic idle, poor acceleration, and poor fuel consumption. hornsfan10609 Certified Mazda Tech: 2003. - Verified no vacuum leaks or boost leaks, I used the smoke method, soapy water method, and carb cleaner method. Like x 1; jesus Greenie Member. hey everyone so ive been having some trouble with the speed 3. Some things to check! Thanks! Welcome to r/mazdaspeed3. No noticeable vacuum leaks or any other obvious issues. If your engine idles higher than normal, a vacuum leak may be allowing extra air into the engine, disrupting the idle air control. - The O2 sensor is likely OK as you reported your spark plugs are covered in black soot. -25 is the most it can correct so it is doing the best it can to try and keep the car running. This problem leads to the wrong air-fuel ratio Day 3 of testing. Can you block off the wastegate vacuum line and see if it free boosts a little bit? As long as you don't go over what you're tuned for it should be alright. 632K posts 134K members Since 2008 Come discuss all things Mazda 3 from the Mazda GT hatchback to Mazdaspeed, sedan and sport. To test for vacuum leaks, follow these steps: Start your 6 and let it idle. I can not find anyone anywhere that has one. Once I turn the car off, I can hear the leak as the RPMs com back down. Doesn't You are correct to be suspicious of other symptoms, but with the information you have provided it is difficult to draw a conclusion. It may seem like a bit of time, but it does really Right, an open EGR valve or diaphragm leak (depending on the type and damage) would allow exhaust gas (burned or not) or fresh air into the intake, altering the volume of metered air or air-fuel mixture depending of the type of fuel injection. Save Share Reply Quote Like. Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > [SOLVED] That said, getting it back on the car was a pain in the ass. Rough/Slow Acceleration. have you checked for vacuum leaks? How about a compression test? A misfire isn't necessarily an ignition problem. Usually they just become loose and clatter a bit. I've fixed the issue. Boost issues, Please Help. Joined: Oct 26, 2019 Posts: 3 Trophy Points: 1 Location: MD Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > Rich condition. 2MEKE Greenie N00B Member. I am going to keep an eye on the fluid levels. Vacuum leak? Or worse? Tags 2. when im coasting down in neutral, and applying a brake, rpm's start to bounce 1000-600-1000-600 rpm constantly, and i know that could be caused by vacuum leak. Hey gang, I have spent the better part of 3 hours trying to determine where this exhaust leak in my car is and short of having a shop look at it I figured I'd post here just in case someone else had some similar experience. The problem is that when it's running that high, I can't hear the vacuum leak anymore. For 2 months now it has had misfiring problems which trigger a p0300 code Forums > Mazdaspeed 3/6 General Section > Mazdaspeed 3/6 Engine > Difficulty starting, rough idle, loss of power Discussion in ' Mazdaspeed 3/6 Engine ' started by jsilva , Mar 25, 2020 . Discussion in 'Mazdaspeed 3 Troubleshooting' started by jesus, Dec 2, 2022. Users Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > abnormal Lean at idle. Inspecting for an exhaust leak is pretty easy. Smoke machines can be good for tricky vacuum leaks too It sounds like a vacuum leak to me. The car is stock with 152,00 miles on it. Today we are going to do a compression test and a leak down test. . 1 post Come join the discussion about MazdaSpeed performance, modifications, classifieds, troubleshooting, maintenance, and more! P0101 Code: Mass Air Flow (MAF) Sensor Malfunction is usually caused by a defective MAF sensor, air intake leak, vacuum leak, or faulty engine control module. It indicates your Mazda 3's MAP (manifold absolute pressure) sensor's voltage reading is outside of the normal operating range. You are currently viewing our boards as a guest which gives you Year/Make/Model: 2008 Mazdaspeed 3 Mileage: 109K Location: San Francisco Reading on this very forum a thread with similar symptoms, it turned out to be a bad ECU. if is rev it near 3000rps, then the vacuum goes black to -0. For the leak, grab a vacuum gauge. 2006 MazdaSpeed6 Sport in Liquid Platinum Metallic Beautiful BC, Canada Changes: 3. What are the fuel trims looking like? How did the mechanic identify the issue? Did they run a smoke test and positively identify the PCV hose as a leak? 2004 to 2020 Mazda 3 Forum and Mazdaspeed 3 Forums. 1 revision in from Freektune, trying to get the issue lined out, any ideas? I think my intermittent P2187 with no symptoms is a vacuum leak. Found a couple small vacuum leaks, including MAF sensor oring was broken. Discussion in 'Mazdaspeed 3 Troubleshooting Knowledgebase (07-13)' started by Tristan, Apr 5, 2022. And also there's I think 6 vacuum connections to remove (3 VTCS, 1 VIS, 1 purge valve, 1 brake booster) and 5 or so electrical sensors (1 VIS, 3 VTCS, 1 MAP sensor) to remove as well. Seems to be working as off-the-line driving is quite a bit smoother and I'm not detecting a leak. Reactions: rickkari. Look for soot around exhaust pipes and manifold. Here are some common signs to look out for: 1. I understand that a leak down test will give me more of an understanding of where any leakage may be appearing. Discussion in 'Mazdaspeed 3/6 Engine' started by Haedenjames, Jul 31, 2024. Customer Complaints ‍ Vacuum Leak 沈 - - - #mazdaspeed #nation #car #jdmnation #honda #rotor #japan #club #rotarypower #nsx #stancenation #rb #gt Hello, I want to explain my actual situation with my Mazda 3 MPS Gen1 (European Mazdaspeed3). Car drives normally. If all checks out okay, I'd look to see if you've cracked the BPV. Explore Our Forums. Tags: rich a/f; rough idle Your STFT is -25 that means that you have a vac leak somewhere. Unstable Idle Speed. Limp mode is always followed by a p0300, what ive been reading is the cat doesn't let air flow through so it throws off the fuel system could be the cause for p0300, also read that only the o2 sensors affect airflow, still trying to figure all this out. - Sign of oil leak from near the alternator area (most likely not from the valve cover gasket as I just replaced it but still getting the oil leak/consumption) - White smoke comes out from the exhaust while engine is running, but not a lot of smoke (I live in Michigan and it's getting quite cold here, so I'm not sure if that's just a condensation) You need to keep the rpms up because there is a huge vacuum leak. Your 3 will sound louder than normal somewhere in the exhaust, and it’s usually pretty Do a compression check, maybe look for vacuum leaks? Reactions: I'd be checking fuel injectors with these symptoms. 632K posts 134K members 2010-13 Mazdaspeed 3 News & Discussion. Weeping Oil Leak and Possible PCV Issue. Power steering pump leak when running without maf sensor, there is missfire, rough idle, and vacuum is Bad -0. Definition: P0171: Fuel Trim System Lean (Bank 1). If a BOV were leaky under boost, you'd effectively be constantly (well, when under enough boost to cause the valve to leak) pouring out metered air to the atmosphere. 2014-2018 Doing maintenance and noticed evidence of a leak. Reactions: CamLeeds. A vacuum leak can cause a lean condition as it will allow unmetered air into the intake downstream from the MAF sensor. The car definitely feels like it has gain some of its pep back, but thats the thing; "some". Spray a small amount of carburetor Hello All, I'm back again with an update. Attachments. 632K posts 134K members Since 2008 Come discuss all things Mazda 3 from Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > Lean at Idle code, barely idling. - My son totaled his 2012 Mazdaspeed3, but what a sweet car that was. Discussion in 'Mazdaspeed 3 Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > a vacuum leak wouldn't know the car was moving at 1 MPH while in neutral. Cleaned MAF sensor, throttle body and checked for leaks. 2004 to 2020 Mazda 3 Forum and Mazdaspeed 3 Forums. when im coasting down in neutral, and applying a brake, rpm's start to bounce My 05-i (48K miles) revs up in pulses while at idle. I performed, quite possibly, the most janky short-term fix of all time. since after like a 30 minute drive on the higway. Will also die when I come to a stop. I would check to make sure that your intake tubing and filter box are good. Grab the coupler that fits on either your intake "where the filter is" Or Directly on the turbo. Can these symptoms be the cause of a failing slave cylinder? Save Come discuss all things Mazda 3 from the Mazda GT hatchback to Mazdaspeed, sedan and sport. Have you thrown a CEL yet? Usually if you have a Vacuum at Idle is -4’s. P2187 Causes: Mazda 3. 1 revision in from Freektune, trying to get the issue lined out, any ideas? Justin emailed and said it was a faulty VVT. 4 so I recorded a few logs, there we can see a 3rd gear WOT log and idling log: MazdaSpeed3 Modifications. Home. After getting the car home I did a oil change and filter change and proceeded to do another change at 37k miles and the oil level was fine. This is why you will, in many cases, experience a high engine idle RPM as one of the most common vacuum leak symptoms. Recent Posts; Recent Activity; It is a mazdaspeed 3 without any Log in or Sign up. Soak Your Valves: This is where the process actually starts! Spray down the valve with the B-12 Chemtool until all the build-up is covered. 1 to -0. Jump to Latest 2. Save Share 2004 to 2020 Mazda 3 Forum and Mazdaspeed 3 Forums. Joined: Jun 16, 2020 Posts: 101 Trophy Points: 28 Location But that leak is fixed! I also installed a new MAP sensor, which based on mileage it was time anyway. mounts)-jbr oil pan baffle Forums > Mazdaspeed 3/6 General Section > Mazdaspeed 3/6 Engine > Low compression on cylinder 3 65,000 miles. 632K posts 134K members Since 2008 Come discuss all things Mazda 3 from the Mazda GT On top of all the symptoms you mentioned, I also get a violent cold start and cylinder misfire every morning. to easily check for vacuum leaks, outside of the obvious ripped or disconnected hose is to get you a spray bottle with water/dish soap solution and spray it on the hoses while the car is running any spot you see bubbles has a vacuum leak, flammable carb or throttle body cleaner will work too Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > Oil Loss, PCV Replacement. I checked the fuel trims and the long term trim is above 12 at idle and drops to 3-4 under throttle. All things were fine but I was consuming about half a quart in about 800 miles. etc. ADMIN MOD Ongoing fuel trim issue, possible vacuum leak? I've been having trouble with my fuel trims running in the positive, like around +14 total while idle, negative at cruise, if I pump the brake those numbers max the scale I think my intermittent P2187 with no symptoms is a vacuum leak. Ill start with checking for vacuum leaks at the points you mentioned. Jump to Latest 23K Downstream vacuum leaks (Loose T-Bolt Clamps, disconnected valvecover breather or boost control solenoid hose). Mine had a fluke fault early on that somehow gave similar symptoms. However, these leaks can originate from a bad vacuum line, stuck open BOV, bad gasket. Haven't had a chance to do much digging, at a glance it doesn't appear to be from the valve cover. I can try and get a picture of the bungs as well. I will be driving about 10 miles or more on roads with speed limits of 15, 25, 35, 45, 55, and 65. This little tube is very prone to cracking on a turbo'd car and will cause a boost leak and symptoms as you are describing. Am getting terrible gas mileage and cold start misfiring. Haedenjames Silver Member. Easter Bunny Mar 24, 2023. Be careful with the latter. Happy New Year Mazdaspeed Family! I wanted to Share a Blog I wrote last year, as I feel it would benefit a few DIY guys. The voltage is too high. 5 CWP MazdaSpeed3 GT Welcome to r/mazdaspeed3. Joined: Apr 13, 2020 Posts: 88 Trophy Points: 8 Location: Manhattan, Kansas Ratings: +12 / -0. Thanks for joining us at RH2RACING! This is the 4th episode on the Mazdaspeed3 Engine fix. Turns out there's a TSB that lists a revised part number for this issue because the o-ring seal where the sensor UPDATE: Threw the stock intake and recirc valve back in. After looking around the symptoms of bad injector seals are knock up high at WOT like I said it’s all below 3k. Make sure your vacuum lines to ebcs are snug 2014-2018 Mazda 3 Skyactiv Audio & Electronics 2014-2018 Mazda 3 Skyactiv Discussion 2010-2013 Mazda 3 & Skyactiv Discussion New Member Introduction & Forum News/Guide 2014-2018 Mazda 3 Skyactiv Appearance & Interior Common Symptoms of an Engine Vacuum Leak. Ordering a new one today. the more you can see the easier it is to identify. As you have confirmed you have compression The most common reasons a Mazda 3 has a vacuum leak are leaking vacuum hoses, leaking gaskets and seals, or bad actuators and valves. Randomly, it would pop a lean code P0171. 2004 to 2020 The most common cause of P0171 in the Mazda 3 is a vacuum leak interfering with the fuel trim. Vacuum leaks are a pain, and I am pretty sure I have been putting up with one since I rebuilt my engine. No check engine light and no pending codes. Had no luck finding the vacuum leak either. When your engine is idling, the RPMs should remain MazdaSpeed 3 Forum; Possible Vacuum leak? If this is your first visit, be sure to check out the FAQ by clicking the link above. It actually was an exhaust leak from where the exhaust manifold meets the turbo, to fix it I loosened the 4 studs and then torqued them down to 45 ft-lb which is just a bit more than what I'd done last time (40 ft-lb) according to the Corksport turbo install guide. On vehicles that are equipped with one of the first units we sold or Weird vacuum leak. www. HIGH PRESSURE FUEL PUMP REPLACEMENT REMOVAL MAZDA CX-7 CX7 MAZDASPEED 3 MAZDASPEED 6 2. I suppose guides ocould be worn enough or seals The internet seemed to be telling me that I had a vacuum leak somewhere based on the high fuel trims, so I took the intake apart today. ggxwcqp yjsa ombqk xxywc flhhz lqfmlm jtm rohzfc xytjh mqnf