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I think there is 4. 2 of them will be close to the exhaust manifolds and the other 2 will be further back in the exhaust pipes. There will not be any after the muffler.
The 2 that are close to the engine are called up stream 02 sensors, The other 2 are called the down stream 02 sensors.
What else can I help you with?
How many o2 sensors are on a 1994 Chevy silverado z71?
That year has 2 oxygen sensors.
How many oxygen sensors on 1988 Chevy silverado have 350 motor?
It has 1
How many oxygen sensors are they on a 1994 chevy silverado?
That year used ONLY 2 sensors and there up close to the engine in the exhaust system/pipes.
How many oxygen sensors on a 2001 Chevy silverado 5.3 4wd?
There are 4 of them. 2 Up streams and 2 down streams.
How many o2 sensors are there on a 2003 Chevy silverado z71?
It has 4 of them.
Where are the oxygen sensors located on 2001 5.3L Chevy Tahoe?
How many oxygen sensors are there for a 2001 Chevy Tahoe 5.3L
How many o2 sensors on a Chevy 5.7 Chevy?
how many oxygen cencors does the 1994 Chevy blazer have
How many oxygen sensors in a 96 Chevy Camaro?
It has 2 of them.
How many knock sensors does a 2000 Chevy silverado have?
It has 2 and both of them are underneith the intake manifold.
How many oxygen sensors on a 2005 Chevy astro?
There are approximately 2 oxygen sensors on a 2005 Chevrolet Astro van. The oxygen sensors can be purchased at stores such as NAPA.
How many 02 sensors does a 2002 Chevy Silverado 1500 5.3 have?
It has 4 and there all screwed into the exhaust system.
How many oxygen sensors are on a 1997 Chevy CK2500 with a 5.7L engine?
4
