oxygen sensors

1998 CHEVROLET TRUCK
200,000 MILES • V8 • 4WD • AUTOMATIC
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JOHN STAGGS
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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
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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