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2003 Chevrolet Express 2500 6.0L Misfire
Posted to GM Driveability on 5/14/2008 14 Replies

hi every one, truck came in with engine misfire, run scanner and found code po300 random misfire, #6 misfire, truck never had tune-up, so replace spark plugs, wires, gas and air filter, after tune-up. started van and runs great, test drove and came back to sho...

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  Related Documents & Media  2003 Chevrolet Express 2500

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Express 2500

VIN 1GCGG25U33
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / PORTED
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIdle
Misc.2WD

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Express 2500

VIN 1GCGG25U33
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / PORTED
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIdle
Misc.2WD

Trouble Codes

P0300Multiple Misfire Detected