Check Gage light comes on even with a full tank.My fuel light will come on even when I have a full tank of gas. When the light comes on my AC stops blowing cold air until the light goes back off.
Take it to your local Ford dealer. You should be covered by the new car warranty. Let them fix it for free. HTH. -Jim
JS made the correct suggestion, but kindly respond once the dealership fixes the problem and let us know what was replaced. Just curious. If you turn off the AC completely, does the check gauge light go off?
My car is 2004...not 2014...sorry
If the gas gauge also drops to empty it's going to be a bad ground. HTH. -Jim
Bad ground..what does that mean? What is the issue?
In order for electronic things to work on a vehicle you need power (+) and ground (-). On the gas gauge when ground is lost the gauge needle will be driven to empty and the low fuel light, if equipped, will come on. Since most switches on a vehicle complete the individual circuit to ground and the a/c compressor stops when the issue occurs, my first suspect is a bad ground connection at the instrument cluster. If you have an aftermarket stereo I'd look there first. Aftermarket stereos are the A number 1 causes for electrical problems involving the dash and instrument cluster. HTH. -Jim
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