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1990 Pontiac Grand Prix SE 3.1L Poor Idle Quality, Stall
Posted to GM Driveability on 12/4/2001 23 Replies

Hi group,

I've got one that's kicking me in the head and I'm not sure where to proceed next. A little history: this one came in a couple of months ago for a stall at idle. We diagnosed it as a defective computer because the scan data was going goofy and when ...

23 Replies Received (View Replies)

  Related Documents & Media  1990 Pontiac Grand Prix SE

 
Message Closed w/FIX

car Vehicle Data

1990 Pontiac Grand Prix SE

VIN 1GWJ54T1LF
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsPoor Idle Quality, Stall
OccursIntermittently

Trouble Codes

33Map sensor voltage to high
35IAC problem
44lean exhaust
Message Closed w/FIX

car Vehicle Data

1990 Pontiac Grand Prix SE

VIN 1GWJ54T1LF
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsPoor Idle Quality, Stall
OccursIntermittently

Trouble Codes

33Map sensor voltage to high
35IAC problem
44lean exhaust