oxygen sensors

1998 CHEVROLET TRUCK
200,000 MILES • V8 • 4WD • AUTOMATIC
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JOHN STAGGS
  • MEMBER
  • 1 POST
How many oxygen sensors are there on this truck and where are they at?
Jan 21, 2008 at 6:50 PM
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BLACKOP555
  • ASE Certified Mechanic
  • 10,386 POSTS
  • ASE Certified Mechanic
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.
Jan 21, 2008 at 9:19 PM
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