4
( 2 ) oxygen sensors ( I BELIEVE they are in the outlet areas of the exhaust manifolds )
2
That year has 2 oxygen sensors.
Two- one in each of the exhaust manifolds.
how many oxygen cencors does the 1994 Chevy blazer have
It has one oxygen sensor located on the rear exhaust manifold.
You will have 2 upstream sensors above the cat and 1 downstream from the cat.
That year used ONLY 2 sensors and there up close to the engine in the exhaust system/pipes.
4
Just one I believe.Just one I believe.
It has four oxygen sensors.