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International Automotive Technicians Network
1996 Pontiac Grand Am 2.4L Poor Idle Quality, Hesitation
Posted to GM Driveability on 3/22/2000

Hello fellow Techs, I have this Grand Am that loses power on acceleration within the first minute of driving it. After that the car's fine. The only peculiar thing I can see on the scanner is that ignition timing is at -30 degrees. This doesn't sound r...

 
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car Vehicle Data

1996 Pontiac Grand Am

VIN 1G2NES2T0T
Engine2.4 L / 4 cyl
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation
OccursCold, on Accel
Misc.Twin Cam

Trouble Codes

P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
Message Closed

car Vehicle Data

1996 Pontiac Grand Am

VIN 1G2NES2T0T
Engine2.4 L / 4 cyl
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation
OccursCold, on Accel
Misc.Twin Cam

Trouble Codes

P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction