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1990 Pontiac Grand Prix LE 3.1L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire
Posted to GM Driveability on 8/26/1999

Car runs good except at start up, sometimes cold, more after hot soak (worse symtoms).Runs rough, spark knocks,low idle,acts like not firing on all cylinders then stalls restart low idle can't keep running sometimes.I figured code 33 was set because of low...

  Related Documents & Media  1990 Pontiac Grand Prix LE

 
Message Closed w/FIX

car Vehicle Data

1990 Pontiac Grand Prix LE

VIN 1G2WJ54T9L
Engine3.1 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI / EFI
EmissionsOBD1 FED EMISSIONS
SymptomsPoor Idle Quality, Hesitation, Cuts Out, Stall, Misfire
OccursAfter a Hot Soak, Intermittently
Misc.4Dr Sedan

Trouble Codes

33map
Message Closed w/FIX

car Vehicle Data

1990 Pontiac Grand Prix LE

VIN 1G2WJ54T9L
Engine3.1 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI / EFI
EmissionsOBD1 FED EMISSIONS
SymptomsPoor Idle Quality, Hesitation, Cuts Out, Stall, Misfire
OccursAfter a Hot Soak, Intermittently
Misc.4Dr Sedan

Trouble Codes

33map