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1988 Chevrolet K2500 Cheyenne 5.7L Poor Idle Quality
Posted to GM Driveability on 2/7/2004 44 Replies

Help please! I'm having a problem with this pickup. It's running lean and I'm not sure where to go from here. Spraying carb cleaner into the throttle body at idle or at higher RPM's smooths things out and it sounds better. The fuel pressure is 12 psi at idle, ...

44 Replies Received (View Replies)

  Related Documents & Media  1988 Chevrolet K2500 Cheyenne

 
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car Vehicle Data

1988 Chevrolet K2500 Cheyenne

VIN 1GCFK24K1J
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TBI
EmissionsFederal
SymptomsPoor Idle Quality
OccursOn Accel, Idle
Misc.Tbi

Trouble Codes

44System lean
Message Closed

car Vehicle Data

1988 Chevrolet K2500 Cheyenne

VIN 1GCFK24K1J
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TBI
EmissionsFederal
SymptomsPoor Idle Quality
OccursOn Accel, Idle
Misc.Tbi

Trouble Codes

44System lean