![]() If your car is actually overheating, you’ll want to address this issue as soon as you can. You may have to check other components of your engine first to figure out how accurate your gauge is. Most of the time, your temperature gauge’s reading is going to be accurate, so it can sometimes be tough to determine whether your engine temperature really is getting too high or whether the temperature gauge is acting up. It’s not super common for the gauge to break, but it certainly can happen. If your temperature gauge is displaying an incorrect reading, there’s a good chance that it’s the fault of the temperature gauge itself. If you’ve determined that your water pump is the source of the problem, you should have it replaced as soon as you can. Related: How to Start a Car With a Bad Fuel Pump This is likely because the extra airflow from the car moving at speed is compensating for the lack of coolant circulation. However, you may also find that the temperature returns to normal once the car actually gets moving. If the water pump fails, the engine will start to heat up quickly when idling. However, there are other symptoms of a faulty temperature sensor that are more serious. If the temperature sensor goes bad, it can potentially cause your temperature gauge to read high even if the actual coolant temperature isn’t that high. Related: Why Does My Car Turn Off While Driving? The coolant temperature sensor does exactly what the name suggests it measures the temperature of the coolant and sends this information to the car’s computer, which helps the computer adjust things like the air/fuel ratio and the ignition timing. Specifically, we’re referring to the coolant temperature sensor in this case. We’ll be taking a look at a variety of problems that fit into both of these scenarios, so let’s get right into it. It could either be that your engine is running normally but the temperature reading is way off, or that the engine is actually running hotter than usual but not quite getting to the point of overheating. When we talk about a temperature gauge that is reading high even if the car isn’t overheating, then we’re talking about a couple of different scenarios. Reasons for a High Temperature Reading but No Overheating We’ll also touch on what to do if your car is actually overheating, and share with you some other info about engine temperatures that you may want to know. In this article, we’ll be going over all of the reasons why your temperature gauge might be displaying a false high reading, as well as why your engine might be running hot but not overheating. The gauge itself or the temperature sensor connected to the gauge may be broken, or there may be issues with some of the engine’s other components that are giving you a false reading. If your temperature gauge is reading abnormally high but your car isn’t actually overheating, there are a few reasons this might be happening. Sometimes, however, temperature gauges can give erroneous readings for one reason or another. The purpose of the temperature gauge is, obviously, to show you the temperature of your engine at any given time. Temperature gauges are far more common in older cars since in those days engine cooling systems weren’t nearly as effective as they are now.
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