
2001 Ford F-150 King Ranch 5.4L MIL Lamp on
Checked MAF if it was dirty, it was not , cleaned it [...] did not make any [...] all the time does fuel trim at above 20%.Most of the time it stays at 14% at [...] cruise fuel trim is at 10%.Wiggled wires , nothing [...] pcv and intake for vac leaks.
FIX posted 1/5/2009
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Message Closed w/FIX
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VIN | 1FTRW08LX1 |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Cruise |
Trouble Codes
171 | too lean |
174 | too lean |
Message Closed w/FIX
Vehicle Data
2001 Ford F-150 King Ranch
VIN | 1FTRW08LX1 |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Cruise |
Trouble Codes
171 | too lean |
174 | too lean |