The upstream O2 sensor is mounted in the ehxaust manifold The downstream O2 sensor is mounted in the exhaust pipe after the catalytic converter
don't have the foggiest
it is the rear sensor bank 1 (the one after the converter)
It is right on top of the Catalytic Converter.
There are 2 of them.One on each side of the engine.
I had the same problem on my 98 Mazda 626 and the O2 sensor was faulty.....
Just reset your computer after replacing the O2 sensor.
Depends on what type of vehicle you have.
location of 3 sensor of 97 Chevy astro van?
O2 sensor heater circuit malfunction (bank 1 sensor 1). You probably have a burned out Bank 1 Sensor 1 O2 sensor. Also check the wiring at the sensor for damage.
There is one Oxygen sensor on the 99 Acura TL model. Replacing it or repairing the O2 sensor can help the longevity and efficiency of your car and is a fairly simple procedure.
Installing an o2 is very easy. Remove the neg. battery cable. Then disconnect the o2 power connector. Feed the wire through the box end of wrench. Finally, unscrew the o2 sensor.