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1987 Chevrolet Camaro Z28 5.0L Hesitation, MIL Lamp on
Posted to GM Driveability on 5/29/2003 11 Replies

Code 33 sets intermittently at best. Seems to happen after it's hot. Throttle response on second half of pedal travel is poor. First half of throttle travel feels normal. No other codes. Current Prom installed. Normal voltage swing ( .5 - 4.5 volts ) at MAF se...

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car Vehicle Data

1987 Chevrolet Camaro Z28

VIN 1G1FP21F6H
Engine5.0 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFI / mpfi
Emissionsstandard
SymptomsHesitation, MIL Lamp On
OccursUnder Load, After a Hot Soak, Intermittently
Misc.Current Prom Installed

Trouble Codes

33MAF sensor voltage high
Message Closed

car Vehicle Data

1987 Chevrolet Camaro Z28

VIN 1G1FP21F6H
Engine5.0 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFI / mpfi
Emissionsstandard
SymptomsHesitation, MIL Lamp On
OccursUnder Load, After a Hot Soak, Intermittently
Misc.Current Prom Installed

Trouble Codes

33MAF sensor voltage high