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1993 Pontiac Grand Am SE 2.3L Excessive Emissions, Poor Idle Quality, Surge, MIL Lamp on
Posted to GM Driveability on 7/10/2007 5 Replies

Strange problem here. Engine idles very high when first started, then when it starts to warm up, it idles up, then cuts out and repeats constantly. Observing engine data, the injection pulse width goes way high (up to 50ms), then cuts right back to zero, and r...

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  Related Documents & Media  1993 Pontiac Grand Am SE

 
Message Closed w/Summary

car Vehicle Data

1993 Pontiac Grand Am SE

VIN 1G2NE113PM
Engine2.3 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI
SymptomsExcessive Emissions, Poor Idle Quality, Surge, MIL Lamp On
OccursIdle

Trouble Codes

35IAC idle speed error
Message Closed w/Summary

car Vehicle Data

1993 Pontiac Grand Am SE

VIN 1G2NE113PM
Engine2.3 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI
SymptomsExcessive Emissions, Poor Idle Quality, Surge, MIL Lamp On
OccursIdle

Trouble Codes

35IAC idle speed error