× 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 8/14/2008 17 Replies

hey guys,

this is actually on two vehicles I am pulling out my hair. a random misfire keeps appearing. truck sits until cold and startup is smooth. run it for 5 miles and get it hot. let sit for 1-2 hours and starts up with a misfire. the misfire monitor show...

17 Replies Received (View Replies)

  Related Documents & Media  1998 Chevrolet K1500 Cheyenne

 
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet K1500 Cheyenne

VIN 1GCEK19R9W
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / cpi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursHot, After a Hot Soak

Trouble Codes

P0300Multiple Misfire Detected
P0302Cylinder 2 Misfire Detected
P0305Cylinder 5 Misfire Detected
P0307Cylinder 7 Misfire Detected
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet K1500 Cheyenne

VIN 1GCEK19R9W
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / cpi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursHot, After a Hot Soak

Trouble Codes

P0300Multiple Misfire Detected
P0302Cylinder 2 Misfire Detected
P0305Cylinder 5 Misfire Detected
P0307Cylinder 7 Misfire Detected