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1993 Chevrolet K2500 Suburban 7.4L Excessive Emissions, Poor Idle Quality, Surge, Cuts out
Posted to GM Driveability on 12/3/2003 8 Replies

Truck seems too idle rough when cold. When driving under load truck surges or cuts out, runs ok during normal driving. Newer plugs, wires,cap,rotor,fuelfilter and dist. shaft. Timing is on and fuel pressure holds steady even under load. Compression checked ok,...

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car Vehicle Data

1993 Chevrolet K2500 Suburban

VIN 1GNGK26N9P
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / tbi
SymptomsExcessive Emissions, Poor Idle Quality, Surge, Cuts Out
OccursAlways, Cold, Under Load
Message Closed w/FIX

car Vehicle Data

1993 Chevrolet K2500 Suburban

VIN 1GNGK26N9P
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / tbi
SymptomsExcessive Emissions, Poor Idle Quality, Surge, Cuts Out
OccursAlways, Cold, Under Load