× 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
2002 Chevrolet Silverado 2500 HD 6.0L Misfire
Posted to GM Driveability on 1/25/2011 12 Replies

I need help, we have a 02 30k mile truck, misses on cylinders 3&4, injector pulse good, spark is good, spark plugs fairly new and not gas fouled. We have found some bulletins related to intake internal leaks, but need a test for an internal leak that might onl...

12 Replies Received (View Replies)

  Related Documents & Media  2002 Chevrolet Silverado 2500 HD

 
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Silverado 2500 HD

VIN 1GCHK29UX2
Engine6.0 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways
Misc.Code P0300 Misfire

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Silverado 2500 HD

VIN 1GCHK29UX2
Engine6.0 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways
Misc.Code P0300 Misfire

Trouble Codes

P0300Multiple Misfire Detected