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1986 Chevrolet Camaro Z28 5.0L Poor Idle Quality, Hesitation, Stall
Posted to GM Driveability on 4/17/2003 8 Replies

No Check engine light during idle. When driven light comes on for code 33. Anything to do with MAF was replaced (MAF sensor, relays, and ECM). All wires were checked. Even tried a new ignition coil. Engine started knocking from a bad wrist pin, so a new jasper...

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car Vehicle Data

1986 Chevrolet Camaro Z28

VIN 1G1FP87F5G
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TPI
SymptomsPoor Idle Quality, Hesitation, Stall
OccursIntermittently
Misc.50 Miles on New Engine, Jasper 350 to Replace Stock 305, Kept Full Tpi

Trouble Codes

33high signal voltage from MAF
Message Closed

car Vehicle Data

1986 Chevrolet Camaro Z28

VIN 1G1FP87F5G
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TPI
SymptomsPoor Idle Quality, Hesitation, Stall
OccursIntermittently
Misc.50 Miles on New Engine, Jasper 350 to Replace Stock 305, Kept Full Tpi

Trouble Codes

33high signal voltage from MAF