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1991 Chevrolet K2500 Cheyenne 5.7L Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire,
Posted to GM Driveability on 2/2/2009 34 Replies

vehicle when cold feel a missfire but very few quick hit or two. after 30 seconds runs good. drove 18 miles no problems. next day drove again and warmed up 205 temp 9miles under load starts popping back thru intake. no trouble codes integrater and block learn ...

34 Replies Received (View Replies)

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car Vehicle Data

1991 Chevrolet K2500 Cheyenne

VIN 1GCFK24K3M
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
Emissionsus fed
SymptomsPoor Idle Quality, Hesitation, Surge, Cuts Out, Misfire,
OccursHot, Under Load, on Accel, Intermittently
Message Closed w/FIX

car Vehicle Data

1991 Chevrolet K2500 Cheyenne

VIN 1GCFK24K3M
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
Emissionsus fed
SymptomsPoor Idle Quality, Hesitation, Surge, Cuts Out, Misfire,
OccursHot, Under Load, on Accel, Intermittently