Questions & Answers for: misfiring 2002 trailblazer

...2002 Chevy Trailblazer with 4200 vortec engine. Runs rough at idle and slow with acceleration. Had Check Engine Soon Light with P0301 code.Had O2 sensor changed, throttle plate cleaned and spark plug ...

2002 TrailBlazer with the straight 6,diognostic check said #3 cylinder was dead or misfiring, also map sensor showed up. #3 cylinder was misfiring, so to test the coil pack I swapped #3 coil pack with

i replaced all the spark plugs and cyld 2 that was maken miss firer and now it says muti misfirer Spark plugs never fail to fire,nor are they, seldom your misfire problem Individual Coils,Coil ...

2002 Chevy Trailblazer 6 cyl The catalytic converter is running properly code has been on and now after a bad batch of gas the engine is running very rough and a new code popped up cyl 2 misfiring. I ...

2002 trailblazer. Spark plugs changed and continues to sound rough Check for these: Bad spark plug wire; Bad or dirty contact in distributor or multi-coil terminal (you may also have a loose plug wire

...2002 chevy trailblazer my check engine light come off and on but my car is doing a hole lot of shaking like it wont to quit It's misfireing, you will have to have the PCM scanned to find the cause. ...

2002 trailblzer is misfiring why? it could be several things.how long has it been since a tune-up,bad plug,wires,fuel filter,fuel injector,dirt(carbon build up) on the valves,ignition ...

what is the gap setting for the spark plugs a 2004 trailblazer? I have been told by mechanics and 2 auto stores that the gap should be .043. I don't know where people are getting .060. but my plugs ...

4.2l. What is firing order? I have a misfire on cylinder 6. Where is cylinder 6 on this vehicle. I found this info. Last one closest to the firewall. When you take the coil out, I suggest using a ...

cylinder misfire p0305 i have already changed the coil and plug and was wondering where to go next it still shows misfire on 5 fuel injector if its a multipoint injection.i gather p0305 will be no 5 ...