2003 Ford F-250 Super Duty XL 5.4L MIL Lamp on
truck came to me from car dealer with mil lamp on both heater faults codes in memory, ohmed o2's from ecm plug with ecm unplugged one ohm'd open, the other out of range, installed two new motorcraft 02's. codes came back within a week sat on power feed didnot ...
Summary posted 8/18/2006
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Vehicle Data2003 Ford F-250 Super Duty XL
Trouble Codes
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Message Closed w/Summary
Vehicle Data
2003 Ford F-250 Super Duty XL
VIN | 1FTNX21LO3 |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / mpi |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction |
P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction |