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1998 Buick Century Custom 3.1L Poor Fuel Economy, MIL Lamp on
hello gang!!!! i have a 98 buick cetury,3.1 engine, has code p0172 (rich) and code p0446 (evap vent problem) it gets bad fuel milage, i have seen on here that a bad ftp sensor can cause p0446 (it already has a new vent selonid) ftp pid is at 4.3 volts koeo, fu...
FIX posted 12/29/2011
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34 Replies Received
34 Replies Received
Related Documents & Media | VIN | [No VIN Available] |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
| P0446 | EVAP Vent Control System Performance |
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Vehicle Data
1998 Buick Century Custom
| VIN | [No VIN Available] |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
| P0446 | EVAP Vent Control System Performance |
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