where is the oxygen sensor located
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1990 Chevrolet 1500 Pickup
Question: check engine light stays on
Answer #1fernando April 10, 2009, 09:45Master
Under hood, driver side, lower engine area, above exhaust pipe flange, mounted in exhaust manifold.
Answer #2dalenstep January 03, 2010, 16:13Rookie
go to the auto parts and get them to put it on the compu. and as long as your check engin light is on they can tell u what is wrong with it and show u where and which one it is. they can even print it out to where it is on your car or truck. and best of all it is free for them to do that.