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2004 Ford F-150 FX4 5.4L MIL Lamp on
2004 ford f150 5.4 came in with a cel. Scan revealed a p0171, system lean bank 1. Looked at fuel trims on my scan tool. Fuel trims showed ltft bank one pinned at thirty at idle. All others were plus or minus 5. When vehicle is driven all fuel trims are normal....
Summary posted 1/4/2013
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Related Documents & Media | VIN | 1FTPX14534 |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Message Closed w/Summary
Vehicle Data
2004 Ford F-150 FX4
| VIN | 1FTPX14534 |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Video