× 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 Express 3500 5.7L Misfire
Posted to GM Driveability on 10/6/2009 33 Replies

has misfire that constantly changes [...] misfire graph on tech 2 scanner one or two cyl are miss firing at a time but keeps switching which cyl is good or bad.

33 Replies Received (View Replies)

  Related Documents & Media  1998 Chevrolet Express 3500

 
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet Express 3500

VIN 1GBJG31R8W
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / port
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet Express 3500

VIN 1GBJG31R8W
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / port
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected