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1998 Chevrolet C1500 Cheyenne 5.7L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 4/3/2007 16 Replies

vehicle came in because it runs rough. has misfire code stored. cap, rotor, fuel filter have been replaced by us due to wear and age. someone has has replaced fuel pump twice, CPI unit, plugs and wires. misfire comes and goes as it pleases and it is always on ...

16 Replies Received (View Replies)

  Related Documents & Media  1998 Chevrolet C1500 Cheyenne

 
Message Closed w/Summary

car Vehicle Data

1998 Chevrolet C1500 Cheyenne

VIN R1W1174063
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CPI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursIntermittently, Very Intermittent
Misc.2 Wheel Drive Cpi Injection

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/Summary

car Vehicle Data

1998 Chevrolet C1500 Cheyenne

VIN R1W1174063
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CPI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursIntermittently, Very Intermittent
Misc.2 Wheel Drive Cpi Injection

Trouble Codes

P0300Multiple Misfire Detected