The function of the oxygen sensor in a Subaru or any other car is to measure the amount of oxygen that is mixed with exhaust gases.
When a Subaru has a faulty O2 sensor the fuel management is out of whack.
The code 32 for a Subaru vehicle is for the coolant sensor or the oxygen circuit.
You cannot bypass this sensor.
Absolutely. Not just on Subaru but every car built that has an oxygen sensor. And they all do.
Probably referring to a heated oxygen sensor.
Oxygen sensor on 1990 Subaru Legacy is under car, just behind engine where exhaust manifolds join but before catalytic converter. Wires run up right side of bellhousing and connect into wiring harness.
The oxygen sensor measures the amount of oxygen in the exhaust gases. Theoretically, if the fuel mix is perfect, then there should be no oxygen in the burned gas ... if it detects O2 it assumes that there wasn't enough fuel ... and adds more.
Both o2 sensors are located on catalytic converter. Sensor closest to front of car is upstream sensor. Sensor closest to rr of car is downstream sensor.
One is in the exhaust manifold on the passenger side, the other is in the exhaust after the dowpipe.
Oxygen sensors are in the exhaust system. The front one is before the first catalytic converter.
Bernaaaaard Lim