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There are 4. They are located on ether side of the catalytic converters.
There are several O2 sensors on that vehicle and they are all threaded into the exhaust system at various points.
they are located in the exhaust system Where ? how many 02 sensors on a 2003 Pontiac Montana
where is the 2003 Cadillac Deville Crankshaft Position Sensors located
In The Seats.
how many o2 sensors on a ford e350 van 2003
There are sensors all over the engine, transmission, exhaust, axles, etc.
On either side of the catalyitc converters.
what side of engin is bank 1
Oxygen sensors are located in the exhaust system. 4.3L example, one after each bank of cylinders, one before cat and one after cat converter.
where is the fuel filter on tacoma prerunner located
There are two oxygen sensors. One located on the exhaust manifold and one located after the catalytic converter.