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1988 GMC K1500 Sierra SLE 5.7L Excessive Emissions, Surge, Cuts out
Posted to GM Driveability on 2/14/2009 29 Replies

When accellerating just off idle the vehicle will stumble and run rough, no DTC's. We can duplicate the problem by brake troqueing the vehicle in the bay. The problem goes away when revved up above 1400 RPM. The vehicle was at another shop and had a throttle b...

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  Related Documents & Media  1988 GMC K1500 Sierra SLE

 
Message Closed w/FIX

car Vehicle Data

1988 GMC K1500 Sierra SLE

VIN 1GTDK14K6J
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TBI
EmissionsOBD1 w/ air pump
SymptomsExcessive Emissions, Surge, Cuts Out
OccursAlways, Hot, Under Load
Message Closed w/FIX

car Vehicle Data

1988 GMC K1500 Sierra SLE

VIN 1GTDK14K6J
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TBI
EmissionsOBD1 w/ air pump
SymptomsExcessive Emissions, Surge, Cuts Out
OccursAlways, Hot, Under Load