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2000 Ford Explorer XLS 4.0L MIL Lamp on
Posted to Ford Driveability on 11/17/2010 8 Replies

Sets these trouble codes. Went thru diagnostic steps twice with same results. No shorts to power or ground. Heater resistance in all 3 sensors within range of 3-30 ohms. No opens between O2 sensor connectors and PCM connector. Voltage to heater in sensors is 1...

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  Related Documents & Media  2000 Ford Explorer XLS

 
Message Closed w/Summary

car Vehicle Data

2000 Ford Explorer XLS

VIN 1FMZU72X8Y
Engine4.0 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P0155Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction
Message Closed w/Summary

car Vehicle Data

2000 Ford Explorer XLS

VIN 1FMZU72X8Y
Engine4.0 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P0155Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction