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International Automotive Technicians Network
1999 Chevrolet Express 2500 5.7L Misfire
Posted to GM Driveability on 1/27/2005 12 Replies

This van has a skip under light load after warm, scanned- no codes, but showed miss fire on cylinders 3&6 when driving, disconnected egr valve and vehicle runs perfect, but still no codes even when valve is disconnected. Tried a known good EGR valve from anoth...

12 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet Express 2500

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Express 2500

VIN 1GCGG29R9X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursHot, Under Load, on Accel
Misc.EGR
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Express 2500

VIN 1GCGG29R9X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursHot, Under Load, on Accel
Misc.EGR