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1988 GMC P60 427CID Excessive Emissions, Stall
Posted to GM Driveability on 12/6/2000

The customers complaint is that when this truck is warming up,the exhaust manifolds get red hot at the collectors and it is backfiring through the exhaust. It is also blowing black smoke,not idling very well and seems to be running rich. If he shuts the truck ...

 
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car Vehicle Data

1988 GMC P60

VIN 1GBL6T1EXJ
Engine427 / 8 cyl
DeliveryCARB / 4BBL HOLLEY
EmissionsUS FEDERAL
SymptomsExcessive Emissions, Stall
OccursCold
Message Closed w/FIX

car Vehicle Data

1988 GMC P60

VIN 1GBL6T1EXJ
Engine427 / 8 cyl
DeliveryCARB / 4BBL HOLLEY
EmissionsUS FEDERAL
SymptomsExcessive Emissions, Stall
OccursCold