[JFP in PA]

Originally Posted by thstone

I understand why the engine compartment air temp sensor would be part of the cooling diagnostics, but the OP wasn't getting any temp warning lights; the engine temp gauge simply ran a little "high".

Any idea how the engine compartment temp sensor ties into the reading on the temp gauge on the dash?

If something was wrong with the temp sensor, and it was acting up electrically, it could affect other things in the same circuit, like the already questionable dash display accuracy.

Just another reason to not trust the dash gauge...........