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2004 Chevrolet Trailblazer LS 4.2L Poor Idle Quality, Surge, with a/c compressor
Posted to GM Driveability on 2/14/2014 12 Replies

vehicle exhibits an extreme increase in rpm when a/c compressor is commanded on. the a/c system seems to operate normal and pressures are within normal operating range.

we checked the tac throttle to see if it was dirty. uh oh, somebody has already cleaned i...

12 Replies Received (View Replies)

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car Vehicle Data

2004 Chevrolet Trailblazer LS

VIN 1GNDT13S94
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / sfi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, With A/C Compressor
OccursWhen A/C Compressor On
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Trailblazer LS

VIN 1GNDT13S94
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / sfi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, With A/C Compressor
OccursWhen A/C Compressor On