Questions & Answers for: 2002 trailblazer idle rough

Question about 2002 TrailBlazer

2 Answers

2002 chevy trailblazer has rough idle My 2002 Chevy Trailblazer idles rough and is slugish when pulling out. The vehicle runs fine when moving but when I stop at a red light or stop sign it idles ...

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...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 ...

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Question about 2002 TrailBlazer

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rough idle Do you have a check engine light on in your dash ? It may be your throttle body is dirty. Run some SEA FOAM engine tune up in the gas when the tank is about 1/4 full, dump the whole can in,

2002 Trailblazer 4.2L could it be the cam solenoid? It shows no code or service engine light but the idle is very rough Clean throttle body first, make sure you disconnect battery foe about 30 minutes

...2002 chevy trailblazer won't go over 3500 rpm it idle rough when in gear with brakes applied fuel mix? new fuel filter? throttle body injection? gasket to it OK? (there have been issues). cheaper ...

Question about 2002 TrailBlazer

1 Answer

...2002 Trailblazer idles rough with the AC or defrost on when stopped. It rides fine while the car is moving. I changed my battery a couple of months ago and then the problem started. Thanks for your ...

2002 trailblazer 4.2L i6 P1345 rough idle changed cam phase solenoid ,cam phase acturator, spark plugs, cam sensor, crank sensor, timing chain & gears case relearn with no help Give me some more ...

Question about 2002 TrailBlazer

1 Answer

2002 Trailblazer rough idling I'm getting a P1345 (cam/crank sensor) code. I've replaced the cam sensor and spark plugs. It starts fine and runs fine when you're up to speed ...

...idle on a 2002 chevy TB? My TB has the SES light on and a rough idle. I cleaned the throttle body and changed my spark plugs. Not getting a CEL or any codes. My RPMs were very low and would stall at ...

2002 trailblazer oil pressure drops when stopped returns accelerating oil full idle rough during drop occasional light knocking Usually means the engine bearings are worn out, or the oil pump is weak.

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