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1998 Chevrolet K1500 Cheyenne 4.3L Poor Idle Quality, Misfire
Posted to GM Driveability on 9/30/2003 18 Replies

hello GM TECHS working on a chev truck with a hesitation or slight bucking at highway [...] cap and wires,coil,blocked off egr,injecter clean and replaced [...] there something i'm missing?Other than the bucking engine has lots of power and works fine also o2 ...

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car Vehicle Data

1998 Chevrolet K1500 Cheyenne

VIN 1GCEK14W9W
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursAlways, Cruise
Message Closed

car Vehicle Data

1998 Chevrolet K1500 Cheyenne

VIN 1GCEK14W9W
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursAlways, Cruise