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1991 Chevrolet Lumina Euro 3.1L Poor Idle Quality, Stall
Posted to GM Driveability on 5/21/2001 9 Replies

This vehicle came in with dtc 33(map 2 hi). My co-worker replaced the map and vac harness. This did not fix the problem. When coming to a stop, the map reads approx 2.8 volts and engine runs poorly. So we connected a vac guage and it read about 8 in hg. So we ...

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  Related Documents & Media  1991 Chevrolet Lumina Euro

 
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car Vehicle Data

1991 Chevrolet Lumina Euro

VIN 2G1WN14T7M
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsPoor Idle Quality, Stall
OccursIntermittently

Trouble Codes

33Map signal too high
Message Closed

car Vehicle Data

1991 Chevrolet Lumina Euro

VIN 2G1WN14T7M
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsPoor Idle Quality, Stall
OccursIntermittently

Trouble Codes

33Map signal too high