It will be in the exhaust manifolds towards the back of engine. If not there then follow the exhaust pipes were they come off the manifolds and head towards the back of the truck. you will find it or them before you get to the muffler. NEUTZ
the o2 sencer, temp. sencer, or the air temp sencer can. the o2 sencer, temp. sencer, or the air temp sencer can.
how many oxygen cencors does the 1994 Chevy blazer have
Haynes makes a manual with the wiring schematic for the O2 sensor on a 1991 Chevy Blazer S10. The manual can be found at most book stores.
That vehicle has several O2 sensors and they are all threaded into the exhaust system at various points.
There are several O2 sensors on that vehicle and they are all threaded into the exhaust system at various points.
unscrew it
They are in the exhaust pipe system, There are none after the muffler.
what is the wiring diagram for the o2 sensor on 2000 s10 blazer. it has 4 wires. what what do they all do /
There are four o2 sensors on a 1996 Chevy blazer all on the exhaust, of course, there are three ahead of the convertors and one between the convertor and muffler. on the right hand bank. should be changed every 60,000 miles.
Unplug them and put a wrench on them and screw them out.
there are 3 O2 sensors on the 4.3 Vortec V6 Blazer ( I have a 99 as well) 1 is on each exhaust downpipe forward of the catalytic converter, the 3rd is just aft of the converter.
The upstream O2 sensor is mounted in the ehxaust manifold The downstream O2 sensor is mounted in the exhaust pipe after the catalytic converter