You didn't state what engine but O2 sensors are located on the exhaust manifolds or headers. They are scewed into threads into the exhaust manifolds with a wire coming out of them and connecting to another electrical connection. Most vehicles have 1 or 2 but some have as many as 4. You probably only have 2 if you have a V8. A 4 cylinder usually only has 1
Where is the AC sensor located on a 1992 GMC pickup
GMC K3500 didn't have a MAF sensor in 1992.
How do you change oxygen sensor in 1992 Toyota corolla? Is there a model engine 4A-FE without a oxygen sensor?
where is the oxygen sensor in a 1995 gmc jimmy
How do you rebuild a differential for a 1981 GMC pickup?
location of the O2 sensor heater on a 1998 GMC 5.7
pass. side rear
no
there is one after the cat converter and there is an intake sensor in front of the motor.
In back of the engine, drivers side.
the O2 (oxygen) sensor on a 93 gmc is in the left down pipe of the exaust Y pipe
driver side first o2 sensor