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2003 Chevrolet Silverado 2500 6.0L Misfire, MIL Lamp on, no power
Posted to GM Driveability on 6/24/2021 11 Replies

Vehicle has no power when it starts to misfire. P0300 is the only code. Truck does not misfire at startup. After a couple of minutes the misfire data shows Cyl#6 misfiring constant and all the cylinders on bank 2 randomly misfiring. If you shut the truck o...

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  Related Documents & Media  2003 Chevrolet Silverado 2500

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 2500

VIN 1GCHK29U03
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp on, No Power
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 2500

VIN 1GCHK29U03
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp on, No Power
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected