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2002 GMC Sierra 1500 Denali 6.0L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 12/20/2005 9 Replies

personal vehicle..misfire only when cold start, below 25 degrees. goes away in 2 - 3 minutes of driving . feels like im only dropping 1 cylinder. took scanner and mastertech home on several occasions only to have truck start [...] only log nonspecific cyl p030...

9 Replies Received (View Replies)

  Related Documents & Media  2002 GMC Sierra 1500 Denali

 
Message Closed w/FIX

car Vehicle Data

2002 GMC Sierra 1500 Denali

VIN 2GTFK69U32
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursCold
Misc.Sierra Denali Awd

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2002 GMC Sierra 1500 Denali

VIN 2GTFK69U32
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursCold
Misc.Sierra Denali Awd

Trouble Codes

P0300Multiple Misfire Detected