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International Automotive Technicians Network
1988 GMC V3500 5.7L No Power
Posted to GM Driveability on 6/2/2001 12 Replies

Hope someone can help, We have been on this truck 2 days and have even had the help of the Napa Tech Line. This vehicle does not have enough power to climb a decent hill. The problem is the timing is not advancing under a load, going to tdc or less and staying...

12 Replies Received (View Replies)

  Related Documents & Media  1988 GMC V3500

 
Message Closed w/FIX

car Vehicle Data

1988 GMC V3500

VIN 1GDHV34K3J
Engine5.7 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryFI / TBI
EmissionsFED
SymptomsNo Power
OccursUnder Load
Misc.Dump Body
Message Closed w/FIX

car Vehicle Data

1988 GMC V3500

VIN 1GDHV34K3J
Engine5.7 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryFI / TBI
EmissionsFED
SymptomsNo Power
OccursUnder Load
Misc.Dump Body