coolant light comes on when car starts

No. I don't know how to check the water pump itself. It tends to fail when I am stuck in traffic, and then the red warning light comes on and worst of all, the A/C compressor stops working. It will turn off when your engine gets to appropriate operating temperatures. Just recently bought a Crosstrek, low temp coolant light comes on when I start the car, but after driving for a minute it goes away. Upon starting, the engine temperature warning light should come on and then go off in two seconds or less. I heard a small gurgle and hiss and noticed that the tank was full. I shut it off for a while, then after starting it up it happened again. (Psst! anyways, recently the coolant light has come on for less than 60 seconds and then went off. Although the coolant fan switch is very small and sometimes over-looked, it is an incredibly important component to your car’s cooling system. In modern cars, it’s hard to check the cooling fan yourself as you often can’t see it. This light will come on when coolant levels are running low and the engine is overheating. If the light goes out, it’s a sign the battery is really weak—almost dead. So I decided to check my coolant expansion tank. That’s why it’s best to take your car to a garage. A red engine temperature warning light requires immediate action. After driving for a while my red coolant light starts flashing. My cooling fan starts immediately when I start the car even though it is cold and stays on until the engine is shut off. When working properly, the cooling system keeps the engine running at peak efficiency and at its ideal operating temperature. Engine coolant has a variable volume that changes with temperature. This could be due to a leak in the system or it could be a sign of a larger problem, like a head gasket failure. Can I still drive with my engine cooling system light on? Failure. When cold, it takes up less space and could therefore be below the coolant level sensor (if equipped). Wait for at last 30 minutes for the engine to cool down. Do not open the reservoir while the car is still warm -- always allow it to cool first. Then, once my engine is warm after some driving, it turns off. Pull the car over somewhere when the light comes on. Why does the light come on? A few hours later I drove it and it didn't come back on -went to the Bap Geon to get VW coolant and let the guy look at it. Toyota high engine coolant temperature warning light. Pull over as soon as possible and shut the engine off. Hi I have a 2013 Chevy Cruze and the tempature light comes on as soon as u start the car and the check eingine light is on… there seems to be no leak and the gauge goes to H but the car isn’t really hot like I said u can start it and it will start off saying it is hot what could this be thanks . Went home, parked. Upon startup, your vehicle is preforming a temperature check. We owned the car a little less than a month and we always see the blue coolant/temperature light when we start the car in the cold morning. The cooling fan is activated in most—but not all—cars when you turn the AC to either a medium or high speed. This could be due to a leak in the system or it could be a sign of a larger problem, like a head gasket failure. Coolant is full. According to the manual, it is okay to be blue and I have read that it is to indicate the engine is not warmed up yet. Reply. Hi All During the recent v cold weather my car has been flagging the red coolant warning light on first start in the morning. When you have a BMW coolant leak, you will notice a distinct sweet smell that wasn't there before. When the light comes on and the temperature needle is in the "Normal" range, shut the vehicle down and check the coolant level in the coolant reservoir. The check coolant light came on when I started the car (didn't go past the center on temp gauge. I was only a mile from my house. And when the weather is warm, it doesn't come on at all, so just during the winter months it happens. And if it has stopped working, you’ll need a professional to repair it for you. Red Engine Temperature Warning Light . Then The coolant light came on longer. Check the coolant level and add as necessary. This implies low coolant level or excessive coolant temp, but neither are applicable as is cold start and level has been checked and is fine. If BMW coolant too low warning light comes on and then turns off, the level may have dropped slightly. You may smell coolant in the cabin. If this sensor malfunctions, it could be causing the coolant light to turn on even if you don’t have low antifreeze levels. It has about 180k miles a recent service and the coolant level is good and was changed about 1 year ago..connected Obd reader and there isn't any codes . Manual says if car was overheating the light would stay on not flash. The engine coolant temperature warning light is serious and indicates your engine is too hot, or your coolant level is low or the vehicle may have a faulty coolant temperature sensor. Get a jumper wire and insert it into both contacts, your fan should come on. BlueDevil Pro says: July 29, 2019 at 10:05 am. To heat up the battery, terminals and starter, try the “key cycling” trick. I recently had my coolant light come on intermittantly on my 2006 BMW X3. In a 02 VW Beetle GLs the Water Temp light comes on when car starts and goes off after 10-20 min of driving is something wrong with coolant system? Normal? The radiator fan runs very loud and fast and the car is overheating..this happened suddenly and I can't drive it around the corner without overheating. So now that its getting cold in the mornings, upon start up, my red coolant idiot light starts flashing every morning only on the first start up....If I turn off the engine and re-start, it goes away. The coolant light glowing blue when you start your car is a warning that the engine isn’t yet up to its optimal running temperature—so don’t push the engine hard. This coolant light also comes on for a low coolant level. This is perfectly normal, but if the temperature light comes on while driving, immediate action should be taken, particularly if the symbol is red. Service engine light is on for evap small leak (think that’s unrelated to the coolant light?) Coolant low light won't go off 5 Answers. I think I had waited about an hour before opening the tank. Causes of Coolant Loss. Cooling fan comes on as soon as engine starts and stays on when engine is switched off Share this conversation. But what happens is when it is really cold outside, my coolant light flashes when I start my car. The sensor is very important because your car’s systems depend upon it running at defined temperatures. 12 Replies. What could be causing this problem and what to check? VW engine cooling system warning light. Typically the sensor, which monitors the coolant temperature, knows how to adjust to varying temperatures depending up the status of your car; running, warming up, or cold. The symbol should briefly illuminate on your dashboard when you start the car and go out shortly after the engine has started. The radiator fuse is fine the belt driving the water pump is fine. Expert: Robert ... Peugeot 308 sw 1600cc 2008 oil warning light came on .oil checked found to be low oil added Expert: Robert replied 5 years ago. DescriptionThis question was asked on the AskDAP Show Episode 1. If you have to pump the gas pedal in the morning to keep your car running, you may have a bad engine coolant temperature sensor. Drove it for about a week, nothing. So I kept driving the car and thinking about it. I just notice it Thursday and now it comes on every time I drive the car and it does not stay on all the time. It still runs fine and everything while it's flashing. It takes about 30 seconds (or sometime longer) before it clears itself. Or you may smell the coolant leak when the car is parked. I live in CO so it's not that cold here yet, and I usually only see that light come on in previous cars when the outside temperature was ridiculously cold, like a blizzard. Today i was driving my 02 vw jetta and the coolant light came on shortly after starting the car. have the same problem? My car has 180000 miles. You should never dare to continue driving when the light is on. Ran fine for a while. For the system check, this indicator light/warning light illuminates in RED for approximately 2 seconds when the ignition switch is turned to the "ON" position. Your coolant light will come on when the sensor senses an incorrect change in the temperature in your system. Another way to test the fan is to turn on the air conditioning. The computer in every fuel-injected car must know two things before it can figure out the correct cold-start air/fuel mixture: the engine coolant temperature and the outside air temperature. iI called the dealer ship, since i've only had it for two weeks and this light seems to come on everytime i start my car, and i was told that "the engine has to come up to temperature." I drove it two trips prior to that. i just bought a brand new honda civic. Asked by Wiki User 30 31 32 Yes. This is why it lights up blue when you start your vehicle. Wear a thick glove or wrap the hand with a thick towel or a piece of rag and remove the radiator cap to check the coolant level. (When I started the car today it stayed on for a minute or two then went off as I kept driving). If your car turns on but won’t start, turn on the dome light and watch it while you try to start the engine. Can I still drive with my engine coolant temperature light on? I love it. 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