theree is one before the catalyitic converters and 2 after the converters. they kindof look like spark plugs with wires coming out of the top.
The upstream heated oxygen sensor is located ahead of the catalytic converter The downstream heated oxygen sensor is located behind the converter
The upstream heated oxygen sensor is located ahead of the catalytic converter The downstream heated oxygen sensor is located behind the converter
It is located on the coolant reservoir. This part cost $70.00
where is the oxygen sensor located on a 1997 Chevrolet lumina
In the exhaust pipe
Hi , hope you can help me. Can you tell me where the oxygen sensor and the EGR valve are located on my 1997 Buick LaSabre. Thanks
one before the cat and one after
Oxygen sensor number two would be screwed into the exhaust either after or in the side of the catalytic converter.
Inside the exhaust. there are two on each side.
on cylinder 1 side mounted on the manifold
It is behind the engine, after the catalyst.
Which o2 sensor are you looking for? The rear located near gas tank?