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  1. Tyler Young

    MS3 PCM fault?

    So I bought a 2012 about 9 months ago from a dealer, 1 previous owner. What they failed to tell me was how much he actually done to this thing. I apologise for how lengthy this post will be but I've been having hell ting to figure out what the hell is going on. This is everything I've stumbled...

  2. MOTOR SWAP BETWEEN GENS

    Hey everyone, New here. I have a 07 speed 3 with full bolt ons and i bought a 2nd gen motor from a friend and just got it hung in the car. I have a few questions. I know the block is the same, however I have realized PS pump is different along with AC compressor (they will be swapped). my...

  3. Help diagnosing please

    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...

  4. Help diagnosing

    Hello everyone new to the forums and the mazdaspeed life, I apologize if this has already been solved in another thread but I couldn't find it. I bought my speed a few weeks ago with Cobb intake, fuel pump internals, upgraded intercooler and turbo smart BOV. Yesterday I installed a Cobb turbo...
  5. speedyboi

    Misfire/Lean-out issue

    So I recently decided to spice up my life and buy a 2007 MS3, but I have a problem. I'm experiencing misfires at idle, and it will throw a code for random misfires and cylinder specific misfires after a driving cycle.(I also believe I have a vacuum leak) The Car will pull all-the-way till...
  6. ieatboost

    Car will not Rev past 5k RPMs

    SOLVED!!! I am needing some help figuring out why my gen 1 will not rev past 5k RPMs I started the tuning process and the first revisions the car WOT just fine. The car was then taken to a shop to have a wiring issue fixed, the wire from the fuse box to the ignition was replaced. before it...
  7. ThePattyWagonMS3

    Odd Data From AP V3. Running a little lean, safe?

    Currently running a v3 AP in my 08MS3GT with 81k miles. Trying out up to STG 1 93 tune until I get HPFP upgrade within the month. HPFP actual pressure isn't dropping below 1600 ever at WOT. However actual AFR is running at a 12.2-12.35 with boost at WOT. Stock intake system and everything. I...
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