
2003 Buick Century 3.1L MIL Lamp on
This car came in with a MIL light on. P0171 lean code .We checked fuel pressure ok,replaced fuel filter and front O2 sensor and light came on again for the [...] were thinking fuel regulator or vacuum leak but dealer said they don't have problems so we decided...
FIX posted 11/6/2005
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Message Closed
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VIN | [No VIN Available] |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
Message Closed
Vehicle Data
2003 Buick Century
VIN | [No VIN Available] |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |