
1999 Pontiac Grand Prix GT 3.8L MIL Lamp on
P0440 & p0449 keep setting after a couple minutes at idle. Already replaced fuel cap because the seal had visible cracks and was original. Also performed a smoke test found no leak in the system. Replaced what I thought was the fuel tank vent solenoid in the l...
FIX posted 10/19/2010
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Message Closed w/FIX
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VIN | 1G2WP52K4X |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Misc. | 3.8L |
Trouble Codes
P0440 | EVAP System Leak Detected |
P0449 | PCM Internal Fault |
Message Closed w/FIX
Vehicle Data
1999 Pontiac Grand Prix GT
VIN | 1G2WP52K4X |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Misc. | 3.8L |
Trouble Codes
P0440 | EVAP System Leak Detected |
P0449 | PCM Internal Fault |