2002 Buick Century Custom 3.1L Excessive Emissions, MIL Lamp on
I have this 2002 buick century that is running rich long term trim is -25% The O2 sensor and injectors have been replaced The other sensors such as TPS MAP and MAF seem to be operating within normal parameters anyone have any suggestions Help would be greatly ...
FIX posted 9/5/2007
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Message Closed w/FIX
Vehicle Data2002 Buick Century Custom
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2002 Buick Century Custom
VIN | 2G4WS52J52 |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, MIL Lamp On |
Occurs | Always, on Decel |
Trouble Codes
P0172 | Fuel System Too Rich (Bank 1) |