the O2 (oxygen) sensor on a 93 gmc is in the left down pipe of the exaust Y pipe
They are located on the exhaust right before the cats.
yes, it does have Oxygen sensors
All oxygen sensors are threaded into the exhaust system.
no
Unplug them and put a wrench on them and screw them out.
There are approximately 4 oxygen sensors on a Chevrolet V6 truck. The oxygen sensors can be purchased at any auto parts store such as NAPA.
It has two oxygen sensors. One at the front of the catalytic converter and one after it.
There is one on each side of the catalytic converter.
Most oxygen sensors are located on the exhaust manifold or just after the manifold on the exhaust pipe(s). Your truck probably has two oxygen sensors, one on each side.
The exhaust manifold
mine is not a sr5, which should be the same, has 1
There usually on the exhaust header