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  1. General Maintenance, Troubleshooting & Accidents.
    I have a 2002 wrx and getting the p303 cylinder 3 misfire code,only scanned it once at autozone recently ,it is a random/intermittent missfire that I’ve had for a while but has recently gotten worse I’ve replace/checked the following- All Spark plugs-ngk iridium I cylinder 3 coil pack...
  2. Engine Performance
    I had a constant code for a missfire I put new plug and coilpack in and cel went off while idle but when I drive it will flash cel with code p0303 then go off again im not sure what more I can do or where to start with the new symptoms also replaced front 02 sensor
  3. General Maintenance, Troubleshooting & Accidents.
    I have flashing check engine light most mornings going to work the throttle seams to stutter and shakes...seams to stop after my car is warmed up properly... I’ve changes possible problems such as spark plugs and coil packs and still no soulution... plzzz send help
1-3 of 3 Results