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View Full Version : P300 Random Misfire

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TjXiong
01-08-2011, 12:56 PM
Parked the car in the garage, checked for any vacuum leak; all intact no leak. Checked wires. Shut off the car and restart; cel went away. I don't know how but for now I'm keeping the finger crossed. Ill change back to copper if the cel comes back and recheck everything.
TjXiong
04-09-2011, 01:51 PM
Ok guys this stupid CEL is not going away. Checked injectors and if I remember right the third one was leaking and I replaced all injectors with 10k Evo 9 injectors; 2 days after the CEL lightens up again. It comes at any given time, at 70mph, idle, etc. Re-replaced all plugs with the coppers; gapped at 28. I just got the timing belt job done and I dont really feel any misfiring. Its driving me stupid seeing that CEL.
TjXiong
04-09-2011, 05:18 PM
FixeD. Injectors wasnt tight. Thanks.