Where is the downstream oxygen sensor plug located?

1998 MITSUBISHI GALANT

213,000 MILES • 2.4L • 4 CYL • 2WD • AUTOMATIC

ANTHONY COOPER

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I'm trying to find O2 sensor plug that's inside the car and for some reason I can't find it. If somebody can give me a picture of where it is or tell me where it is that would be great. thank you.

Jul 10, 2023 at 3:57 PM

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Here is the location of the front and rear oxygen sensor. The lead will go inside the car so you will need to remove the seat and pull up some of the carpet. Here is a generic 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 images (below). Let us know what happens and please upload pictures or videos of the problem so we can see what's going on.

Images (Click to enlarge)

Jul 11, 2023 at 11:27 AM