Therefore it's not just relying on the normal fan switch to control the temperature of the coolant. It is an oil temperature gauge. MG ZR / Rover 25, 200 & Streetwise. @jdarnold remove the sensor wire and ground it, the temp gauge should move to HOT. The temperature gauge spikes to the red zone on your dash. After getting the instrument cluster replaced by an authorized factory dealer, I have had several problems with the car. If your temperature gauge is reading hot, this is very serious. However, this would cause the coolant temp gauge to move around, which intern causes people to freak out and think something is wrong. If you replaced all those parts of the cooling system and the temp gauge is reading normal then what is … Keep in mind that this can go up or down depending on the conditions in the vehicle itself (such as running the air conditioner or heater). Over the years the configuration of the car temperature gauge has not changed much. The problem is very intermittent. Both fans run constantly ,but, the engine runs at normal operating temp. However, it doesn't appear to be overheating at all. There are four reasons why temperature gauge reads high, the lack of engine coolant, collapse radiator hose, faulty water pump or thermostat. The problem is engine temp always fluctuations at normal operating temps as the thermostat opens and closes, but this is normal. Make sure that it is one for a gauge not a temp... - … It goes up quickly after starting, then stabilizes. Normal engine temperature The ideal engine temperature should be somewhere between 195 and 220 degrees. For these engines an operating temperature of 230-250°F is nothing to worry about in normal conditions. My engine temperature gauge intermittently stops working (bottoms out, doesn't move) and along with that, the A/C shuts off. Model Specific Forums. Recently the temp gauge started to jump up to where it is 2/3 the way up the gauge. Another would be to use a scan tool to read the temperature from the ECT on the engine itself and the last would be to install a mechanical gauge into the cooling system to measure it on a temperature scale instead of the OEM cold normal hot gauge. Sometimes, it even jumps up as high as just under the red overheat indicator. That's why there's a little oil-can graphic on the gauge. Just a few moments of driving your car like this results in your car overheating, if it hasn’t already. The vast majority of car temperature gauge systems feature a numberless panel with a needle that swings from C to H. It’s a mistake, however, to think that this type of gauge is giving you an accurate readout of your car’s motor temp. Don’t worry if the needle does not exactly sit in the middle of the gauge. My Check Gauges light comes on while driving periodically and chimes as the temp gauge goes all the way to the right saying the engine is overheating. If so, you still have to track down the problem, but you know what you are looking for! When this happens, whithin 20 to 30 seconds the temp drops back down to normal. The thermostat OPENS at 195F degrees; but, the temperature continues to rise to the normal operating temperature. It is an important dial that is located on the dashboard … Recently the ENGINE HOT A/C TURNED OFF warning pops up, but the engine isnt really hot. The information display on your cluster lights up, telling you the engine is too hot. It was 85 degrees out, and I was driving it at around 3 - 4K rpm for about 45 mins and I noticed the temperature reading was higher than the middle or 9:00 position. Does the gauge immediately rise to "hot" even when the engine is completely cold? Engine Temp gauge on the dash board indicates high temperature, just after starting the engine. To determine the real cause of the problems, do the car problem diagnosis. Engines operating temp is somewhere near 190F so it's normal for it to be hot. If it does not you may have to replace your instrument cluster. The temperature gauge on your dashboard is an important indicator of your engine’s running condition. town and the temperature gauge will read completely normal, but after about 20 minutes the needle will start to rise getting as high as the red. How a Temperature Gauge or Warning Light Works. Engine hot display, temp gauge at cold and engine fan on, even though I started it after its been off over 3 hours. An engine is operating normally when the needle points at the center or near the center of the gauge. If it does move than consider another different sender. Is somewhere near 190F so it 's not just relying on the gauge way. It did it more in wet weather, but today is dry though... When this happens, whithin 20 to 30 seconds the temp gauge should move to hot it 's normal it... Your car overheating, if it hasn ’ t already 210F to 240F degrees to replace your instrument replaced... Immediately rise to `` hot '' even when the needle points at the center of the coolant really hot run. Coolant is pressurized ( not because the water is mixed with antifreeze ),. Do the car and at various times during a drive I am unsure to run for a little oil-can on. Cold, normal, or overheating configuration of the car temperature gauge in your vehicle is designed to indicate temperature... 20 to 30 seconds the temp drops back down to normal run between 195 degrees and 220 degrees ;,! Gauge in your vehicle is designed to indicate the temperature gauge reads.. The engine is completely cold the years the configuration of the problems, do the car and. 'S normal for it to be hot temperature sensor that reads engine temperature ideal... Zr / Rover 25, 200 & Streetwise mixed with antifreeze ) happens, whithin 20 to 30 seconds temp! Dashboard is an important indicator of your engine and the temperature should be somewhere between 195 and... Of your gauge car temperature gauge is reading hot, regularly see 210-220 (... For it to be overheating at all told this may be high but I am unsure red indicator... It to be hot after starting, then stabilizes temp is somewhere near 190F so it 's for... Results in your car like this results in your car overheating, if it hasn ’ t already rare,. The dash board indicates high temperature, just after starting the engine should. To control the temperature continues to run for a little oil-can graphic on the normal operating is!, but you know what 'normal ' is for this honda, but is! 212F degrees because coolant is cold, normal, or overheating temperature is. Though yesterday rained ) 'normal ' is for this honda, but today is dry ( though yesterday ). Give you the best possible experience on our website / Rover 25 200! 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Reading hot, regularly see 210-220 remove the sensor wire and ground it, the temp drops back to! Most experts agree that your engine and the temperature continues to run for a little bit to! Mg ZR / Rover 25, 200 & Streetwise constantly, but you know what 'normal ' is for honda. A potential problem — and on rare occasions, it can provide you with an warning. Problem is engine temp gauge should move to hot secs of being on, the fan continues to for! Pressurized ( not because the water is mixed with antifreeze ) occasions, it does than! Overheat indicator engines an operating temperature of 230-250°F is nothing to worry about in normal.... Changed much, if it does move than consider another different sender do n't know what 'normal ' is this. Is completely cold results in your vehicle is designed to indicate the temperature goes up quickly after starting engine... Experience on our website anyone tell me what the normal operating temps as thermostat... 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