In the 1989 Grand Prix, the oxygen sensor is in the tail pipe. Look for a wire that is plugged into both the tail pipe and the undercarriage of the vehicle.
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.
pull it apart
it might
replacing a fuel sensor on a 2003 grand prix?
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.
location knock sensor 2002 pontiac grand prix gt 3.8 engine
The O2 sensor is right off of the rear exhaust manifold, right of the transmission fluid dipstick.
Oxygen sensors are in the exhaust pipes usually1 before and 1 after the catalytic converter
The oxygen sensor screws into the front exhaust manifold. Look straight down and you'll see it. It looks like a spark plug with a thin wire trailing from it.
The 1996 Pontiac Grand Prix cooling fan sensor is located on the front of the engine. The fan sensor can be found just above the thermostat.
the vehicle in question has 2 oxygen sensors one in the manifold and one by the converter.
its before the cat usually on the driver side intake manifold