2002 trailblazer rough idle

10

Asked by Bruce Feb 18, 2018 at 04:48 PM about the 2002 Chevrolet Trailblazer LT 4WD

Question type: Maintenance & Repair

Car was throwing code for camshaft position
sensor an running rough so I changed it but doing
the relearn process requires the engine to go to
5000rpm but I cannot get it to go above 4000 rpm

4 Answers
11,605

FJ4072 answered 6 years ago

Have you reset the PCM yet by unhooking the battery OR removing fuses #10 and #28?

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10

Bruce answered 6 years ago

Tried those too car seems to vibrate the more you rec up the engine and looses power when driving

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