its screwed into the exhaust pipe there should be 3 Two upstream and one after the cat
Yes
There are two in the exhaust on each side of the engine.
because it is
There are two in the exhaust, behind the engine.
MAP sensor if I recall
The engine coolant temperature sensor and coolant temperature sensor are the same.
They are screwed into the exhaust on the rear of the engine.
There are two in the exhaust system on the rear of the engine.
There are two oxygen sensors screwed into the exhaust on the rear of the engine.
There are two in the exhaust pipe behind the engine.
The throttle position sensor is the three wire sensor on the throttle body opposite of where the cables attach.