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2004 Chevrolet Trailblazer EXT LT 4.2L Poor Idle Quality, Stall
Posted to GM Driveability on 8/18/2009 6 Replies

This trailblazer has had a rough idle and an intermittent stalling problem for a while. We have cleaned the throttle body and reflashed the PCM with all the latest updates. Came back with same complaint but added that the AC seams to speed up on its own. It is...

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car Vehicle Data

2004 Chevrolet Trailblazer EXT LT

VIN 1GNDS13S84
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Stall
OccursIntermittently
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Trailblazer EXT LT

VIN 1GNDS13S84
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Stall
OccursIntermittently