they are located in the exhaust system Where ? how many 02 sensors on a 2003 Pontiac Montana
In the exhaust pipe on the back of the engine.
what side of engin is bank 1
There are 2 upstream 02 sensors just behind the exhaust manifolds, threaded into the exhaust pipes, one on each side. There are 2 downstream 02 sensors just behind the catalytic converters, one on each side as well.
usually 02 sensors are located on the catylac converter OR the manifold
02 sensors are located on your exhaust pipes that come out of your heads on your engine there could be up to 4 02 sesors on a vehicle.Bank 1 or 2 means your different heads Then you will have upstream and downstream and that means the location of the 02 sensors
The O2 sensors are located just before and just after the catalytic converter(s)
normally they are located on the exhaust. you may have three. on the manifold and on the exhaust pipe itself...
They are located on the exhaust pipe in front and in back of the catalytic converter. There are 2 in all.
Hi. There are 2 sensors. 1. Is just in front of the cat. 2. Is just behind the cat.
The oxygen sensors are screwed into the exhaust on the rear of the engine. The upstream is before the catalytic converter, the downstream is after.
the upstream O2 sensors, are located on the top of the exhaust manifolds. they are sitting right there in the open where you can see them.