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International Automotive Technicians Network
1996 Ford F150 4.9L MIL Lamp on
Posted to Ford Driveability on 8/7/2000

Hello to all fellow techs. This F150 has a problem with the heater circuts for the oxygen sensors. O2 sensors are brand new, (Borg Warner). These are the 2 sensors upstream. I have checked all fuses, both inside the truck and outside at the power ditribution b...

 
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car Vehicle Data

1996 Ford F150

VIN [No VIN Available]
Engine4.9 L / 6 cyl
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P0155Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction
Message Closed

car Vehicle Data

1996 Ford F150

VIN [No VIN Available]
Engine4.9 L / 6 cyl
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P0155Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction