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2001 Ford Expedition XLT 5.4L Poor Fuel Economy
fuel trims at idle on bank 1 -21 on bank 2 +21 when driving fuel trims go normal. Its differant seeing fuel trims opposite on the banks. Short term fuel trims are always normal, so long term is adjusting the problem. both 02 sensors are switching good at idle ...
FIX posted 6/12/2010
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Related Documents & Media | VIN | 1FMFU18L03 |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / fi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy |
| Occurs | Idle |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
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Vehicle Data
2001 Ford Expedition XLT
| VIN | 1FMFU18L03 |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / fi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy |
| Occurs | Idle |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
Video