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2003 Ford Taurus SE 3.0L MIL Lamp on
Posted to Ford Driveability on 1/23/2008 5 Replies

Checked o2 heater resistance on both sensors and was in spec range, although at the low end 3.5 ohms. No shorts or opens found in circuits or sensors. Tried replacing both pre-cat sensors and codes returned after short test drive. I did install aftermarket sen...

5 Replies Received (View Replies)

  Related Documents & Media  2003 Ford Taurus SE

 
Message Closed w/FIX

car Vehicle Data

2003 Ford Taurus SE

VIN 1FAFP53U53
Engine3.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / EFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently
Misc.Se

Trouble Codes

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

car Vehicle Data

2003 Ford Taurus SE

VIN 1FAFP53U53
Engine3.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / EFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently
Misc.Se

Trouble Codes

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