
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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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) |
Message Closed
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) |