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1999 Chevrolet Silverado 1500 5.3L Misfire
Posted to GM Driveability on 12/29/2004 17 Replies

This truck has developed a steady misfire on #3 cylinder only when rpms climb over 3300 rpm. 1/2-full throttle accell, #3 steady misfire.

Spark plugs were replaced, fule injectors removed & cleaned, and most recently #3 lifters & valve springs replaced.

When...

17 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet Silverado 1500

 
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car Vehicle Data

1999 Chevrolet Silverado 1500

VIN [No VIN Available]
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load, on Accel

Trouble Codes

P3000HV Battery Malfunction
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Silverado 1500

VIN [No VIN Available]
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load, on Accel

Trouble Codes

P3000HV Battery Malfunction