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International Automotive Technicians Network
1996 Pontiac Grand Am 3.1L MIL Lamp on
Posted to GM Driveability on 11/30/1999

Hi Techs I thought I had a easy one but need your help. I first scaned this car & had only code P0140 (Secondary o2 sensor no activity) to give me a idea what to plain to do. A week later the customer brought the car in because it started running rough...

 
Message Closed w/FIX

car Vehicle Data

1996 Pontiac Grand Am

VIN 1G5NE25M9T
Engine3.1 L / 6 cyl
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursCruise, Idle, Intermittently

Trouble Codes

P0140Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity Detected
P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1996 Pontiac Grand Am

VIN 1G5NE25M9T
Engine3.1 L / 6 cyl
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursCruise, Idle, Intermittently

Trouble Codes

P0140Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity Detected
P0300Multiple Misfire Detected