diagnostic

Hello all, I’m running into a huge problem on my speed 3. I’m having a cylinder 1 and 4 constant misfire. It will randomly stop and run fine then go back to misfiring. Recently it has not stopped misfiring. What I have done: Spark plugs replaced and gapped MAF replaced Set of fresh injectors...

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...

Howdy everyone! I have a 2012 speed 3 that has a rebuilt motor (I bought the car from copart with a spun rod bearing and spent a year rebuilding the engine). Been running good for about a month. One day while driving it, the car stalled out. It would crank back up and run for about 10-15...

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...

so this is my first post, If u want to go straight to what my issue is skip the details next ill put troubleshooting in bold I bought my 2013 speed 3 in may 2022 at 134xxxkm and its now just over 140xxxkm. since buying it I've learnt that it has a gen 1 engine, engine is "fine" (comp...

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...

Alright guys I'm super new here actually first time on posting in a forum lol. So I've been having an intermittent super rich condition usually when turning in 2nd gear my afrs are around 8.6 to 9.2 and my fuel pressure is around 1700 to 1800. I replace the wiring harness and that worked for 2...

Hey guys, I really need some help diagnosing on my 07 ms3. Finished the swap yesterday and the car was perfectly fine. Now today it won’t hardly run for sh*t and is now throwing these 5 codes: PCM -P0117 -P0245 IC -U2064 -U2023 ABS -U2023 Yes, I’ve tried clearing codes. Yes, I’ve reset the...