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The gauge on the far right side of the gauge cluster is your engine temperature gauge. The normal operating temperature is at the half-way mark. If the needle raises above the 3/4 mark then the car is overheating. A light will come on also if it begins to overheat.
It means the engine may be overheating.
As engine has to work hard and engine RPM are high its temperature rises and water pump also works faster and hot water reaches temperature sensor fast and suddenly needle goes up.
Engine is overheating, faulty gauge, faulty temp sensor......
If the engine is not overheating and the temp gauge reads normal, the thermostat is doing its job. If the engine is overheating, the thermostat may be stuck and in need of replacement.
1. overheating 2. temperature of engine not coming up in winter 3. poor engine performance 4. low gas milage
No the gage has no effect on firing. An engine that is overheating will misfire.
Replace sending unit
First off its a gauge not Gage and second the engine overheating would be the culprit their, genius.
Its just there to let you know that the engine is running at a normal temperature and isn't overheating. If your engine starts to overheat, you can tell then do something about it. Pull over and check, let it cool before proceeding to a garage, before it is too late and the engine is destroyed.
Because the gauge is broken.
If it is not overheating then the temp gage or the sending unit are bad.