Oxygen sensors

Tiny
JOHN STAGGS
  • MEMBER
  • 1998 CHEVROLET TRUCK
  • V8
  • 4WD
  • AUTOMATIC
  • 200,000 MILES
How many oxygen sensors are there on this truck and where are they at?
Monday, January 21st, 2008 AT 6:50 PM

1 Reply

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
The o2 sensors are located on the exhaust manifold before the catalytic convertor(s) you may also have some located after the catalytic converter for catalyst efficiency. Here is a guide to help you step by step with instructions in the diagrams below to show you how on your car.

https://www.2carpros.com/articles/how-to-replace-an-oxygen-sensor

Check out the diagrams (Below). Please let us know what happens.
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Monday, January 21st, 2008 AT 9:19 PM

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