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1997 Chevrolet C1500 Cheyenne 5.0L Misfire, Poor Fuel Economy, MIL Lamp on
Posted to GM Driveability on 6/17/1998

goes into open loop we have tryed everything we can think of with little improvement almost acts like rev limiter comes on to soon thaks in advance , pat

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car Vehicle Data

1997 Chevrolet C1500 Cheyenne

VIN 2GCEC19M8V
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sequential
Emissionsobd2
SymptomsMisfire, Poor Fuel Economy, MIL Lamp On
OccursHot, on Accel
Message Closed

car Vehicle Data

1997 Chevrolet C1500 Cheyenne

VIN 2GCEC19M8V
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sequential
Emissionsobd2
SymptomsMisfire, Poor Fuel Economy, MIL Lamp On
OccursHot, on Accel