× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1998 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality, Misfire
Posted to GM Driveability on 8/21/2008 22 Replies

Please help!!!!! This truck came in with the complaint of an intermittent misfire under heavey load. Problem showed up after the intake gaskets were replaced at another shop. Truck had code for random misfire (history misfires for #3 & #6) we were unable to du...

22 Replies Received (View Replies)

  Related Documents & Media  1998 Chevrolet K1500 Cheyenne

 
Message Closed w/Summary

car Vehicle Data

1998 Chevrolet K1500 Cheyenne

VIN 2GCEK19R3W
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursIdle

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/Summary

car Vehicle Data

1998 Chevrolet K1500 Cheyenne

VIN 2GCEK19R3W
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursIdle

Trouble Codes

P0300Multiple Misfire Detected