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2003 Pontiac Bonneville SE 3.8L MIL Lamp on
Hoping that perhaps someone like a gm tech has come across this problem and can help. I have a recurring PO440(Evap system leak) code. I have already replaced the gas cap twice and the vent valve AND also smoke tested the system twice. Smoke testing indicates ...
FIX posted 10/5/2006
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Message Closed w/FIX
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| VIN | 1G2HX54K83 |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0440 | EVAP System Leak Detected |
Message Closed w/FIX
Vehicle Data
2003 Pontiac Bonneville SE
| VIN | 1G2HX54K83 |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0440 | EVAP System Leak Detected |
6 Replies Received
6 Replies Received
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