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1999 Pontiac Grand Am GT 3.4L MIL Lamp on
This car set a PO440. Acording to freeze frame data it sets at zero rpm and zero MPH. Acording to the airflow and map sensors the engine is running. The RPM reads OK on the scanner and there are no other codes. I replaced the PCM and it still does it. The free...
FIX posted 10/16/2000
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Message Closed w/FIX
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Related Documents & Media | VIN | 1G2NW52E2X |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / Port Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0440 | EVAP System Leak Detected |
Message Closed w/FIX
Vehicle Data
1999 Pontiac Grand Am GT
| VIN | 1G2NW52E2X |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / Port Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0440 | EVAP System Leak Detected |
Video