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2003 Chevrolet Silverado 1500 5.3L Misfire, MIL Lamp on
Posted to GM Driveability on 12/28/2007 13 Replies

check for spark ok . check for external vaccum leaks, long fuel trim 50% bank one . 25% short fuel trim , ran pid data bank 2 within perimeters. have random misfire po300 perimeter count flags 1,3,5,7 .

13 Replies Received (View Replies)

  Related Documents & Media  2003 Chevrolet Silverado 1500

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 1500

VIN 2GCEK19T83
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 1500

VIN 2GCEK19T83
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0300Multiple Misfire Detected