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2005 Ford F-150 FX4 5.4L MIL Lamp on
truck sets lean codes. fuel trims are around 8 to 10 long term at idle and around 15-18 at full throttle. the long term goes to 30 when cruising with throttle at 7 to 10% just past closed throttle. we have tried maf sensor, smoke test, fuel pressure test, and ...
FIX posted 12/19/2015
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Related Documents & Media | VIN | 1FTPW14575 |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Cruise |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
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Vehicle Data
2005 Ford F-150 FX4
| VIN | 1FTPW14575 |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Cruise |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Video