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International Automotive Technicians Network
2003 Chevrolet Trailblazer North Face 4.2L Poor Idle Quality
Posted to GM Driveability on 1/23/2009 8 Replies

Truck came in for a miss fire problem and to replace the [...] that coil 1 was burnt [...] done truck was runing fine so took it for a test [...] was cold out side so turned on the heater fan and the engine started to idle [...] it back to the [...] the a/c pu...

8 Replies Received (View Replies)

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Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Trailblazer North Face

VIN 1GNDT13SX3
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursWhen You Turn on Heater Fan
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Trailblazer North Face

VIN 1GNDT13SX3
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursWhen You Turn on Heater Fan