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miss fire
Posted: Sat Jun 20, 2009 9:37 pm
by Airgne
so ever since i bought the car it has had a miss. i have changed the plugs, wires, fuel filter, and cleaned air filter. anyone have any ideas on what it could be? i do have an extra diamond coil. should i change it out?
Posted: Sun Jun 21, 2009 5:17 am
by Skruyd
How bad of a miss fire, random or out of the same cylinder? Check engine light? Any who, check the coil, compression, and injector. How did the other plug look like when you took it out?
Posted: Sun Jun 21, 2009 6:12 am
by Airgne
no check engine light. other plugs looked almost normal(alittle hot). cant tell if its off the same cyl. compression good. 174,172,174,175. im going to change the coil sunday, or ill jsut wiat tell i get the intake done(might have something to do with it).
Posted: Sun Jun 21, 2009 6:42 am
by Skruyd
What are you having done to the intake?
Posted: Sun Jun 21, 2009 10:43 am
by Airgne
intake really is not stock at all. the turbo inlet elbow broke so had to make one. i made the turbo silencer and elbow in one. so i have crankcase pressure going back into the intake. i know i have a vaccum leak/problem, but the miss fire happened before the intake show happened.
Posted: Sun Jun 21, 2009 5:13 pm
by Skruyd
ahh ok
Posted: Sun Jun 21, 2009 6:11 pm
by Legacy777
What rpm is the mis?
Posted: Sun Jun 21, 2009 8:10 pm
by Airgne
mainly around 2k-3k
Posted: Sun Jun 21, 2009 11:59 pm
by Legacy777
Check the wiring going from the ECU to the ignitor & coil pack.