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No the gage has no effect on firing. An engine that is overheating will misfire.
It means the engine may be overheating.
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.
Replace sending unit
First off its a gauge not Gage and second the engine overheating would be the culprit their, genius.
If it is not overheating then the temp gage or the sending unit are bad.
Because the gauge is broken.
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.
Is it overheating? If it is check the coolant level, waterpump, fan, etc. If not overheating check the wiring, temp sesnor, pcm, etc.
The engine is overheating. The check engine light is not on because you have no problem with the emissions system which this light monitors.
If the engine is overheating the temp gauge will go all the way to the right and a red light will come on.