Probably referring to a heated oxygen sensor.
Under the sea.
The O2 sensor heater fuse on a 2002 Subaru Legacy is typically located in the engine compartment fuse box. To access it, open the fuse box cover and look for the fuse labeled "O2 Heater" or similar. If unsure, refer to the fuse box diagram, which is usually found on the inside of the cover for specific fuse locations.
location of the O2 sensor heater on a 1998 GMC 5.7
O2 Sensor Heater Circuit (Bank 1 Sensor 1)
P0141 - O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)
o2 subaru
In a 2004 Subaru Forester, the O2 sensor wires can vary by model and engine type, but the most common color for the upstream (pre-catalytic converter) O2 sensor is typically white for the heater wire and black or gray for the signal wire. Always refer to a repair manual or wiring diagram specific to your vehicle for the most accurate information, as color coding can differ.
O2 heater circut malfunction Bank 1 sensor2. " rear oxygen sensor is bad"
When a Subaru has a faulty O2 sensor the fuel management is out of whack.
Trouble code P0141 means: O2 Heater Circuit (Bank 1, Sensor 2)
2002/2003 subaru outback does not have one!!!!!!!!
Subaru Forester was created in 1997.