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1993 Pontiac Grand Prix SE 3.1L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy
Posted to GM Driveability on 1/31/2009 16 Replies

This car has a erratic idle. It will run rough and smell very rich and then smooth out and idle at a higher [...] it is running bad the map sensor goes up about a volt fuel trims go up to ST 174 LT [...] apears all you have to do is touch the throtle a little ...

16 Replies Received (View Replies)

  Related Documents & Media  1993 Pontiac Grand Prix SE

 
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car Vehicle Data

1993 Pontiac Grand Prix SE

VIN 1G2WJ14T7P
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPI
EmissionsFederal
SymptomsExcessive Emissions, Poor Idle Quality, Poor Fuel Economy
OccursIdle
Message Closed w/FIX

car Vehicle Data

1993 Pontiac Grand Prix SE

VIN 1G2WJ14T7P
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPI
EmissionsFederal
SymptomsExcessive Emissions, Poor Idle Quality, Poor Fuel Economy
OccursIdle