Temperature Gauge Rising But Car Not Overheating Causes And Fixes Another possible cause of a car temperature gauge reading high is a clogged radiator. like a bad water pump, a clogged radiator will result in an engine that will heat up when idling, but cool off when the vehicle is moving at speed. your radiator may be clogged if it’s old and rusty. it can also become clogged if you are using old or poor. If your vehicle’s engine is running hotter than normal, yet is not truly overheating, a faulty water pump might be to blame. an engine’s water pump generally circulates coolant between a vehicle’s radiator, and the engine block itself. however, damage to a water pump’s impeller can prevent this circulation from taking place with any.
Temperature Gauge Rising But Car Not Overheating Causes So Sometimes, the temperature gauge in your car can rise but not cause the car to overheat due to a blown head gasket. the car engine pumps coolant through the engine block up to the engine head. the engine head and engine block are held together with bolts and a very important gasket that prevents leaks. when the gasket gets old, it sometimes. Amzn.to 43i0htt all in one obdii car scanner please subscribe bit.ly maxcar subwatch the video to learn more about the potential causes. Reasons your car is running hot but not overheating. many of the same reasons the car runs hot and overheats will still apply. these include a bad thermostat, a clogged or defective radiator, a faulty coolant temperature sensor, a bad water pump, low coolant, air in the cooling system, a malfunctioning temperature gauge or a worn out engine. Here is a more detailed list of the reasons why your car temperature gauge goes up and down: 1. bad thermostat. the thermostat is used to regulate the temperature of the coolant. if it starts to fail, it can act erratically, causing the gauge to jump up and down. once it goes bad, it will no longer act this way.
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