I'm trying to locate the O2 sensor on my 1990 RWD 22R 2.4 Toyota pickup truck. I've looked all over underneath the car by the driver's side seat. There is no O2 sensor on top of the exhaust pipe, ...
I was getting a few error messages p1135 being one of them, which seems to indicate that the O2 1st bank 1st sensor should be replaced. My car is 4cyl, so there is only one sensor under the hood (pre ...