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2002 Chevrolet Silverado 1500 5.3L Misfire
Posted to GM Driveability on 11/16/2005 9 Replies

Customers complaint high idle when cold (within first 10 sec.)than drop to a low idle with mis-fires (from 20 sec. to 2 min.) after a cold start )45F with mt2500 hooked up all data is within spec. had to let sit for 5-6 hours and restarted looking at mis-fire ...

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Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Silverado 1500

VIN 2GCEK19T02
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIdle, Under 45F
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Silverado 1500

VIN 2GCEK19T02
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIdle, Under 45F