It requires a special slotted socket. It will be cheaper to have a repair shop do it for you.
replace it..It should screw right in with a wrench.
On the exhaust manifold where the runners meet.
It just has ( 1 ) oxygen sensor , before the catalytic converter ( upstream )
It's on the top rear side of the engine, near distributor.
Bung in the exhaust manifold.
the caprice 1991 Weight is 1790kg /3946lbs
what size radiator comes in a 91 chevy caprice classic
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.
Mine is a 700r4
Should be somewhere on the exhaust either before or after the catalytic converter
The turn signals on a 91 caprice do not work, the emergency flashers do.
no