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1987 Chevrolet R10 Scottsdale 5.0L Hesitation, MIL Lamp on, RUNS BAD
Posted to GM Driveability on 8/21/2001 10 Replies

we are getting an intermittent code 33 - map sensor. check engine light comes on and truck runs rough. but light goes out and truck runs fine. problem only last for a minute. we have replace ecm and map sensor, to no avail. we would appreciate any help on this...

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  Related Documents & Media  1987 Chevrolet R10 Scottsdale

 
Message Closed w/FIX

car Vehicle Data

1987 Chevrolet R10 Scottsdale

VIN 1CCDR14H5H
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsHesitation, MIL Lamp on, Runs Bad
OccursIntermittently

Trouble Codes

33map sensor
Message Closed w/FIX

car Vehicle Data

1987 Chevrolet R10 Scottsdale

VIN 1CCDR14H5H
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsHesitation, MIL Lamp on, Runs Bad
OccursIntermittently

Trouble Codes

33map sensor