troubleshooting

Hello all, I am having an issue of the car doing as described in the title, this is a recent development and is getting quite frustrating. For context, here is what transpired and what has been repaired: Last Friday I was on the way home, making a pull and got to the top of 3rd and the car...

Year/Make/Model: 2007 Mazdaspeed3 Mileage: 230k (engine rebuild 30k~ miles ago, prev owner) Location: ATL, GA Concern: Fuel trims out of whack DTC's: (please include descriptions) None Modifications: Forged Pistons (Unknown Details) Cobb Cold Air Intake Balance Shaft Delete Upgraded High...

Year/Make/Model:06 speed 6 Mileage:165K Location: Derby,CT Concern: When accessport is married the car will crank no start and kills cam sensor DTC's: 0340 Camshaft Position Sensor Circuit Malfunction Modifications: cobb sf intake unknown turbo inlet pipe ECU/Tuning Software: Accessport V3...

Hey guys, currently dealing with a “module configuration error” RCM code after attempting a gen2 to gen1 seat swap. I messed around with forscan not knowing what I was doing to try and clear it a while back (like a moron) and managed to disable the passenger weight detection in the non As-Built...

Year/Make/Model: 2007 Mazdaspeed 6 (imported from U.S. -09) Mileage: 103,000mi Location: Finland, Northern europe Concern: Cylinder 2 misfire. Rough idle, but doesn't seem to misfire every cycle. Normal idle RPM. Very rough stuttering under acceleration, and blinking engine light (P0302). Engine...

Year/Make/Model: 2008 mazdaspeed3 Mileage: 100k miles Location/Alitutude: Kitchener Ontario. Canada Concern: cranks but doesn’t start no spark DTC's: pcm: P0335, IC: U2023, ABS: U2023 Modifications: HKS intake, Cobb,downpipe, Cobb catback, Turbo, smart blow off valve, ECU/Tuning Software: Cobb...

I am burning about 1 qt/1000 mi or more and I'm at a loss at to what to do next. It's definitely coming out of the exhaust, it will smoke during the idle test and the tips get black shortly after cleaning them. There are no leaks, I park in the same spot everyday and never see any drops. I have...

ENGINE/DRIVABILITY Idled Fine, Ran fine. Stalls on Cold starts when Temp is below 55 F Year/Make/Model: 08 MazdaSpeed 3 Mileage: 1005423 Location: NW Missouri (KCMO) Concern: Misfire on start up (with smooth idle), NEW: on cold start will stall (Will start when outside temp is +55 F) DTC's...

Been tuning with Justin @ Freektune and he has recently given up in ideas on what's screwing with my boost pressure. He's had me change my wastegate spring from 17 PSI up to 21PSI but no dice. Other brains trusts I have consulted are also short on answers. Engine mods are: Damond PCV Plate CS...

Alright everyone let's try to make this a standard practice when posting questions asking for help. These are going to be generic trouble shooting sheets. Just copy the post and then repost in your help thread. Please start using this when making a thread asking for help to consolidate...

Hello, I have been browsing some threads on here and noticed several people had similar issues to me. Essentially what is happening is when I attempt to put a small load on the engine in 3rd gear and higher between 2500 and 3000rpm, the car stumbles and bucks before accelerating. This issue is...

Hi, I bought my 2009 mazdaspeed3 about 8 weeks ago, it ran when I bought it but needed a timing chain job. After doing the timing chain myself with my brother I am now unable to get the car started. After doing some troubleshooting we think we have nailed it down to a fuel issue. We are using...

Hello everyone, need advice on still trying to trouble shoot this problem with negative fuel trims and afr ratio I have 2 other threads about this topic along with smoking issues and stalling out. the smoking and stalling issue was resolved with a newer turbo thanks to some members on this forum...

Recently I was having a problem with my 2008 speed3, it has 150k miles on it and the wastegate was not working properly. I ended up replacing the turbo recently and the wastegate problem was fixed but a new problem arose. The car runs fine, I just made a 7 hour road trip with no problems at all...

I just bought a 2007 Mazdaspeed3. The struts where shock so I replaced them all the way around. I starting hearing this bad noise from the front right tire, and when I looked the sway bar was disconnected from the strut. I found arandom bolt that fit on it and put it back together, but the other...

Troubleshooting a friends car that has been acting up for a few months. He recently had his VVT done, head replaced, new spark plugs and new injector seals put in. Cylinder 4 spark plug used to not seat correctly due to the previous owner tearing the threads afiak. After all of that has been...