Downstream O2 sensor wiring diagram needed?

2004 CHRYSLER PACIFICA

173,000 MILES

DANBLOMBURG

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I am replacing the downstream O2 sensor. The wiring harness on the car is missing. I need a wiring diagram to know what wires to match the wires on the new sensor to.

Feb 5, 2023 at 6:46 PM

STRAILER

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53,870 POSTS

Sure, here are the engine wiring diagrams which include the oxygen sensor wiring. I have also included a guide to help you check the connection once the repair is complete.

https://www.2carpros.com/articles/how-to-check-wiring

Check out the images (below). Please let us know if you need anything else to get the problem fixed.

Images (Click to enlarge)

Feb 6, 2023 at 11:50 AM