
1995 Pontiac Grand Am SE 3.1L Poor Idle Quality, Surge, Cuts out, High idle when cold
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...
FIX posted 3/27/2014
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Message Closed w/FIX
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VIN | 1G2NE55M0S |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / SFI |
Emissions | Not OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, Cuts Out, High Idle When Cold |
Occurs | Cold, Hot |
Trouble Codes
33 | Map circuit high |
34 | Map circuit low |
44 | Lean exhaust |
45 | Rich exhaust |
86 | Internal ECM error |
87 | EEPROM error |
Message Closed w/FIX
Vehicle Data
1995 Pontiac Grand Am SE
VIN | 1G2NE55M0S |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / SFI |
Emissions | Not OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, Cuts Out, High Idle When Cold |
Occurs | Cold, Hot |
Trouble Codes
33 | Map circuit high |
34 | Map circuit low |
44 | Lean exhaust |
45 | Rich exhaust |
86 | Internal ECM error |
87 | EEPROM error |