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1995 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality, Cuts out
Posted to GM Driveability on 4/10/2009 21 Replies

Vehicle came in running very rich, o2s maxed out at .9 v plugs excessively carbon fouled. Scanned engine data, no codes, injectors have bpw of 3.0ms, iac stuck at about 80 at idle, tps ok and map sensor ok, fuel pressure ok @ 14 psi. Suspected frozen iac and s...

21 Replies Received (View Replies)

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Message Closed w/FIX

car Vehicle Data

1995 Chevrolet K1500 Cheyenne

VIN 1GCEK19K3S
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / tbi
EmissionsNot OBD-II Compliant
SymptomsPoor Idle Quality, Cuts Out
OccursAlways
Message Closed w/FIX

car Vehicle Data

1995 Chevrolet K1500 Cheyenne

VIN 1GCEK19K3S
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / tbi
EmissionsNot OBD-II Compliant
SymptomsPoor Idle Quality, Cuts Out
OccursAlways