Temperture gage not working

I would trust the smoke and noise from the engine rather than a faulty temp gauge. have you checked the coolant level in the radiator and not the reservoir. The temp gauge will not give you any indication of overheating if there is no coolant to make it work

I need more info for your problem. Never should an alternator charge over 13.8 and they will charge less depending on demand. As long as the battery voltage is above 11.5 volts the car is probably within min operating specifications.

It means that one of the gauges is registering an abnormal reading, like low oil pressure or an overheating engine. Hence the warning of CHECK GAUGES" Please read your owners manual for more info on this subject.

THE TEMPERTURE SENSOR IS BAD CAUSES BOTH

Your electric fan is probibly not running.Fan switch,fan relay or the fan could be bad.If it is getting hot and you pop the hood you should hear the fan running.

sounds like the gauge and sensor r workin properly....but you do have to address that coolant leak...that causes your temp to fluctuate cuz you cooling capacity is being reduced

Try changing the sending unit.

you might need a new thermostat

First of all, it doesn't sound like your thermostat is working correctly to keep good hot/warm air coming , so I would change that, or have it changed for better heating inside. If you lift the hood & look in front of your radiator, On the engine side, you'll see a fan attached to, or in front of the radiator. It won't come on until the coolant temperature gauge gets up to proper operating temperature. Without getting in to too much detail, have your thermostat changed, and my guess is everything else will start working as it should, and whoever does the work, should know enough to check the fan operation when they do the thermostat.

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