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1994 Chevrolet K3500 6.5L Turbo waste gate circuit
Posted to GM Engine on 8/22/2002 4 Replies

This truck sets code 78 (waste gate circuit fault) every time in hard pull or acceleration. I have replaced wastegate solenoid; I have 12 volts to solenoid, and have traced ground wire back to ECM it checked good. There is no EGR valve on this truck All known?...

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  Related Documents & Media  1994 Chevrolet K3500

 
Message Closed w/FIX

car Vehicle Data

1994 Chevrolet K3500

VIN 1GDKC34F1R
Engine6.5 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedTurbo Waste Gate Circuit
Message Closed w/FIX

car Vehicle Data

1994 Chevrolet K3500

VIN 1GDKC34F1R
Engine6.5 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedTurbo Waste Gate Circuit