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2001 Pontiac Grand Am GT 3.4L MIL Lamp on
This car came in with MIL on for O2 heater circuit. Have replaced O2 sensor twice. Checked for power and ground both are OK. Alldata test indicates to replace PCM. Do not want to replace without being positive. Any insight will be greatly appreciated.
Summary posted 4/20/2007
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Related Documents & Media | VIN | 1G2NW52E11 |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0030 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Relay Circuit Malfunction |
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Vehicle Data
2001 Pontiac Grand Am GT
| VIN | 1G2NW52E11 |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0030 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Relay Circuit Malfunction |
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