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  1. General Maintenance, Troubleshooting & Accidents.
  2. General Maintenance, Troubleshooting & Accidents.
    So my son’s 2008 WRX randomly threw a P0301 code (independent, no other codes). I did basic work, plugs with proper gap, a #1 coil pack, and cleaned MaF. The plug condition (all 4) was poor and I thought I had this. The car seems to start normally and idle semi-Ok, seems like there is still a...
  3. Tuning: Electronic Engine Management
    Hey guys first off thanks to anyone who is willing to help me with this issue. My 04 STI has been having a problem with misfiring. I know exactly when the car is misfiring because at around 6000 rpm the car will have the check engine light flicker about twice. My codes are P0301, P0302...
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