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1991 Chevrolet K2500 Cheyenne 5.7L Poor Idle Quality, Hesitation, Misfire
Posted to GM Driveability on 11/4/2001 10 Replies

Cust. has had this prob. for long [...] will only run poorly after driving for aprox. 45 min.I scaned it with snap on scanner, no codes .He says it feels like a missfire or cyls . dropping off{lack of power}. I also checked timing & its at [...]! I never usual...

10 Replies Received (View Replies)

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Message Closed w/Summary

car Vehicle Data

1991 Chevrolet K2500 Cheyenne

VIN 2GCFK24K3M
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
SymptomsPoor Idle Quality, Hesitation, Misfire
OccursHot, Under Load, After a Hot Soak
Misc.4Wheel Drive
Message Closed w/Summary

car Vehicle Data

1991 Chevrolet K2500 Cheyenne

VIN 2GCFK24K3M
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
SymptomsPoor Idle Quality, Hesitation, Misfire
OccursHot, Under Load, After a Hot Soak
Misc.4Wheel Drive