How to repair codes P1166 and P1167?

2002 HONDA CRV

131,000 MILES • 4 CYL • 4WD • AUTOMATIC

LARRYTHEFIZZ

MEMBER
2 POSTS
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Two codes coming up, P1166 and P1167. Heater Circuit fault what is it, and how to fix?

Sep 2, 2009 at 11:06 AM

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KASEKENNY

AUTOMOTIVE REPAIR CONTRIBUTOR
18,907 POSTS

These are o2 sensor codes. So, we need to run through the testing attached in order to determine what the issue is.

However, here are a couple of guides that will help with this:

https://www.2carpros.com/articles/how-to-test-an-oxygen-sensor-02-sensor

https://www.2carpros.com/articles/how-to-replace-an-oxygen-sensor

Please follow the testing below and let us know what questions you have, and we can go from there.

Thanks

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Dec 29, 2021 at 5:00 PM