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2003 Chevrolet Silverado 3500 LT 6.0L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 9/17/2015 17 Replies

This truck is from a friend of ours shop. They did the plugs, wires, fuel filter, compression test, crank sensor. They also did the compression test and they said its good.

When The truck got to us I verified there was a code in the system p0300. Cleared the ...

17 Replies Received (View Replies)

  Related Documents & Media  2003 Chevrolet Silverado 3500 LT

 
Message Closed w/Summary

car Vehicle Data

2003 Chevrolet Silverado 3500 LT

VIN 1GBJC34U93
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MPFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways, Less When Engine Is Hot

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/Summary

car Vehicle Data

2003 Chevrolet Silverado 3500 LT

VIN 1GBJC34U93
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MPFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways, Less When Engine Is Hot

Trouble Codes

P0300Multiple Misfire Detected