Temp gage going down when driving?

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Oct 11, 2021 | 07:14 AM

Maximeltman

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Temp gauge going down when driving?

I changed my valve covers (3.5 swap). Going to work my temp gauge went to normal and stayed there for a while. Then I noticed the needle going down. Any clues here?

Last edited by Maximeltman; Oct 13, 2021 at 06:19 PM.

Oct 11, 2021 | 09:00 AM

Zerodrag

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From: SoCA

Air in cooling system?

Oct 11, 2021 | 10:25 AM

Maximeltman

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Quote:

Originally Posted by Zerodrag

Air in cooling system?

I was wondering the same

Loose/broken wire or bad temp sensor?
Also the RPM needle is fluctuating.
Here's a vid: Skip the first 20 sec or so.

Oct 13, 2021 | 06:18 PM

Maximeltman

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The gauge has a bad wire. As for the rough idle, thinking pcv valve or vac leak somewhere.
Going to investigate further.

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