If you open hood there should be a heat shield plate covering exhaust manifold remove this and it should be right below it on the left side of the exhaust.
The 1991 Pontiac Grand Prix oxygen sensor is located on the outside of the air filter housing. You will find the sensor on the back side of the air filter housing.
To answer this i will need to know whatsize engine you have.
Screwed into the exhaust pipe
Please answer the question. "How do you change an oxygen sensor in a 2002 Pontiac Bonneville
were is the crankshaft sensor located on a 1987 Pontiac Grand AM with a 2.5L engine
The oxygen sensor on a 1996 Pontiac Grand Am is found near the catalytic converter. It will be place on the piping which leads to the catalytic converter.
The 1999 Pontiac Grand Am AIT sensor is located on the outside of the air filter housing. The sensor will be on the back of the housing.
the rear oxygen sensor is located under the car just in front of the catalitic converter it looks like a wire hooked onto a spark plug in the middle of the exhaust pipe
It"s located on the rear manifold, between the firewall and the engine for the upper oxygen sensor(b1s1), and between the catalyst converter and the resonator for the second oxygen sensor (b1s2), between the pipe and the floor.
The PCV valve is located under the MAP sensor on a 1990 Pontiac Grand Prix. The MAP sensor is in the upper plenum.
i need a diagram of wher the map sensor is.
there isn't a crankshaft position sensor on a 3.8l motor in a 1999 Pontiac grand prix according to the manual