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1995 Pontiac Grand Am SE 3.1L Poor Idle Quality, Surge, Cuts out, High idle when cold
Posted to GM Driveability on 3/5/2014 13 Replies

This is my wife's car (thankfully). Her original complaint was that the idle would be very high on a cold morning and surge once warm, but not always. Without any further diagnosis, I assumed the IAC was faulty, so I replaced it with a Delphi part and reset th...

13 Replies Received (View Replies)

  Related Documents & Media  1995 Pontiac Grand Am SE

 
Message Closed w/FIX

car Vehicle Data

1995 Pontiac Grand Am SE

VIN 1G2NE55M0S
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SFI
EmissionsNot OBD-II Compliant
SymptomsPoor Idle Quality, Surge, Cuts Out, High Idle When Cold
OccursCold, Hot

Trouble Codes

33Map circuit high
34Map circuit low
44Lean exhaust
45Rich exhaust
86Internal ECM error
87EEPROM error
Message Closed w/FIX

car Vehicle Data

1995 Pontiac Grand Am SE

VIN 1G2NE55M0S
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SFI
EmissionsNot OBD-II Compliant
SymptomsPoor Idle Quality, Surge, Cuts Out, High Idle When Cold
OccursCold, Hot

Trouble Codes

33Map circuit high
34Map circuit low
44Lean exhaust
45Rich exhaust
86Internal ECM error
87EEPROM error