× 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
1999 Chevrolet Silverado 1500 5.3L Misfire
Posted to GM Driveability on 12/17/2014 13 Replies

This truck came in with the customer saying it has a misfire at wide open throttle above 4000 rpm. Took it out and drove it (scared me) at 5000 rpm cylinder #3 misfires about 10 time back fires in exhaust and then when it shifts and it is gone. Idles perfect, ...

13 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet Silverado 1500

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Silverado 1500

VIN [No VIN Available]
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursOn Accel
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Silverado 1500

VIN [No VIN Available]
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursOn Accel