its is located downstream on the backside exhaust manifold
behind the catalytic converter
it is the upper stream o2 sensor before the convertor
The oxygen sensor bank 1 is located in the exhaust manifold. The oxygen sensor bank 2 on the 1996 BMW 328is is located in the head pipe.
Bank 2 is the drivers side of the engine in your Ford Explorer Sensor 2 is after the catalytic converter ( downstream )
That is the oxygen sensor screwed into the downstream side of the catalytic converter.That is the oxygen sensor screwed into the downstream side of the catalytic converter.
Bank 1 should be the side of the engine cylinder #1 is on.
On My 2001 Chrysler T & C it is located on top center in the back of the engine
The bank 1 sensor 1 oxygen sensor on a 2002 Honda Accord is located on the header. It is right next to the sensor circuit.
Bank one sensor one is above the converter.
bank 1 should be the left exhaust manifold.
Bank 1 is the passenger side of the engine ( V6 and V8 ) in a 2001 Ford Explorer Sensor 1 would be close to the engine before the exhaust enters the catalytic converter