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2003 Chevrolet Silverado 1500 5.3L Surge
Posted to GM Driveability on 4/30/2020 14 Replies

This truck runs poorly hot or cold. Scan data shows misfire on cylinders 7, 8 and occasionally a little on 2. I removed all the plugs and performed the compression test and then gapped the plugs. #8 plug was fouled. I removed the RH fuel rail and swapped #...

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car Vehicle Data

2003 Chevrolet Silverado 1500

VIN 2GCEK19T13
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MFI
EmissionsOBD-II Compliant
SymptomsSurge
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
Message Closed

car Vehicle Data

2003 Chevrolet Silverado 1500

VIN 2GCEK19T13
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MFI
EmissionsOBD-II Compliant
SymptomsSurge
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected