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1995 Ford Thunderbird LX 4.6L MIL Lamp on
This car was running poorly with P1131 and P0171 codes. LTFT indicated lean condition. Cleaned debris from MAF and runs fine now. After two days MIL back on.... same codes. Scoped the bank1 sensor and see no difference between it and bank 2 sensor. Smoke teste...
FIX posted 6/29/2004
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Message Closed w/FIX
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Related Documents & Media | VIN | 1FALP62WXS |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P1131 | Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction |
Message Closed w/FIX
Vehicle Data
1995 Ford Thunderbird LX
| VIN | 1FALP62WXS |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P1131 | Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction |
Video