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1998 Buick Century Limited 3.1L MIL Lamp on
Car came in with below codes, checked scan data and fuel trims -25% to -30%. Checked usual fuel pressure regulator-ok, pulled PCV and plugged. Still high. Then found in scan data that purge valve was at 20%. I unplugged purge valve connector and fuel trims cam...
FIX posted 4/27/2011
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Message Closed w/FIX
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12 Replies Received
12 Replies Received
Related Documents & Media | VIN | 2G2WY52M9W |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
| P0440 | EVAP System Leak Detected |
Message Closed w/FIX
Vehicle Data
1998 Buick Century Limited
| VIN | 2G2WY52M9W |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
| P0440 | EVAP System Leak Detected |
Video