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2004 Chevrolet Silverado 1500 5.3L Misfire
Posted to GM Driveability on 7/3/2014 22 Replies

Vehicle came in for a misfire issue and code p0300 was found. Went throught all the ignition components and all were good. Monitor misfire counter and found cyls. 5 and 6 to be misfiring constantly. Checked intake for leaks and found leaks at 5 and 6 runners. ...

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car Vehicle Data

2004 Chevrolet Silverado 1500

VIN 2GCEK19T64
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIntermittently
Message Closed

car Vehicle Data

2004 Chevrolet Silverado 1500

VIN 2GCEK19T64
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIntermittently