When A/C is on gauge runs hot, when A/C off temp gauge shows normal. How to fix or explain plz
May 7, 2015 at 8:11 PM
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CARADIODOC
CAR REPAIR CONTRIBUTOR
34,308 POSTS
When you don't list which model you have, I can't tell which parts are in your cooling system. If your car uses an electric radiator fan or an electric AC condenser fan, check if those are turning on.