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2001 GMC Sierra 2500 SL 6.0L Poor Idle Quality, Misfire, MIL Lamp on, low power
Posted to GM Driveability on 5/16/2009 8 Replies

Hello all, thank you in advance for any help I may recieve. This truck is a tough one. Truck runs perfect most of the time, every once in a while, twice in the last 2 days we have had the vehicle, it will start running rough and the CK eng light flashes with t...

8 Replies Received (View Replies)

  Related Documents & Media  2001 GMC Sierra 2500 SL

 
Message Closed w/FIX

car Vehicle Data

2001 GMC Sierra 2500 SL

VIN 1GTGK29U31
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp on, Low Power
OccursIntermittently

Trouble Codes

300Random misfire
Message Closed w/FIX

car Vehicle Data

2001 GMC Sierra 2500 SL

VIN 1GTGK29U31
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp on, Low Power
OccursIntermittently

Trouble Codes

300Random misfire