Depends on the year. My 99' has four. Call your local auto parts store and they can tell you.
How many oxygen sensors are there for a 2001 Chevy Tahoe 5.3L
The 5.2L has two oxygen sensors.
One.
2 sensors
how many oxygen cencors does the 1994 Chevy blazer have
TWO.
It has 2 of them.
There are approximately 2 oxygen sensors on a 2005 Chevrolet Astro van. The oxygen sensors can be purchased at stores such as NAPA.
That year has 2 oxygen sensors.
2
Two.
THERE ARE 2