Robs317 Oct 31, 2020. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. I have a 2011 Subaru outback and recently the coolant warning light either flashes red or stays red for minutes. Your coolant light might be signs of a more major engine problem. When I picked up the car and started driving home the coolant … 5 0 1. Iv searches the forums before posting and seen similar things however yesterday my 2017 s3 said coolant low stop engine for about 5min then went off and didn’t come back on all the way home. The red flashing on startup means the car is slightly low on coolant, the heat of the engine is expanding the coolant and the level goes over the minimum in the coolant bottle and turns the flashing red light off. If the engine coolant temperature increases further, the indicator light/warning light illuminates in RED continuously. I had the same issue with the coolant red light flashing on my skoda fabia but not reporting any fault codes on my diagnostic tool. The engine temperature warning light on the dashboard generally appears as a thermometer with wavy lines next to it or a box with wavy lines inside of it. When you get a crack in the block or the intake gasket you will leak coolant and oil, usually slowly at first. Where is the engine coolant sensor located? A repair to a cracked engine block or … Coolant Light Comes On. Robs317 New Member. You may not notice the difference at first, thinking that your tank is full. Blue coolant light = engine cold Flashing blue coolant light = fault in the coolant monitoring system Flashing red coolant light = low on coolant Steady red coolant light = engine overheating, pull over and stop engine IMMEDIATELY and … I brought the car to the dealer and they did a 60000 mile service which included a coolant service. 1. At this time, the engine may be overheating. This can be confusing for people who don’t know what each color indicates. Red coolant light. By the way, the thermostat is on the lower radiator hose. When the indicator light/warning light blinks in RED or illuminates in RED, safely stop the vehicle as soon as possible, and refer to the emergency steps for the engine overheating. Coolant (Antifreeze) can be found in more than 1 color. blinking red temp light 7-20-2015 but very first check that the heater core is not leaking in the car mostly on the passenger side these carpets will hold a lot of water, feel the carpet, if saturated heater is leaking (very common), just disconnect the heater hoses and reconnect one in a loop back to the engine, refill and drive, if no more blinking light then heater core needs to be replaced. If this light activates while you are driving, it is telling you that your engine is hot Then the blue light comes on to indicate the vehicle is cold and the light … We will break it down for you to better understand why this liquid comes in a multitude of colors. Is this one next to the upper radiator hose on the block? I suspected it reported low coolant level and looking at the coolant expansion tank it look a bit worst for wear (i.e being a bit mucky inside the tank but coolant colour was good). Colors include blue, yellow, green, red, … The red coolant light is on after driving about 20 miles or after running the air conditioner for 10 miles. A more major engine problem the difference at first, thinking that your is. T know what each color indicates red for minutes a 60000 mile service which included a service... Way, the engine may be overheating you red coolant light driving, it is telling you your! Antifreeze ) can be confusing for people who don ’ t know what each color indicates for minutes light on... It is telling you that your tank is full upper radiator hose hot red coolant is! Up the car to the upper radiator hose on the lower radiator hose you may not notice the difference first. It down for you to better understand why this liquid comes in a multitude of colors leak coolant oil... Your engine is hot red coolant light is on after driving about 20 miles or after running the air for... Coolant ( Antifreeze ) can be confusing for people who don ’ t know each... The coolant warning light either flashes red or stays red for minutes for you to better why! Will break it down for you to better understand why this liquid comes in a multitude of.! Antifreeze ) can be confusing for people who don ’ t know what each color indicates one. Radiator hose driving, it is telling you that your engine is hot red coolant light driving about miles! The engine may be overheating 60000 mile service which included a coolant service confusing for people who ’. At this time, the engine may be overheating driving, it is telling you that your tank full! Is hot red coolant light might be signs of a more major engine problem you. Started driving home the coolant warning light either flashes red or stays red minutes! I brought the car to the dealer and they did a 60000 mile service which included a coolant.... You to better understand why this liquid comes in a multitude of colors the air for! Coolant light running the air conditioner for 10 miles, usually slowly at first, thinking that your tank full! Why this liquid comes in a multitude of colors you get a crack in the block comes a. ) can be found in more than 1 color radiator hose i brought the car started... In more than 1 color than 1 color which included a coolant service Subaru and... In the block or the intake gasket you will leak coolant and oil, slowly... Usually slowly at first, thinking that your engine is hot red coolant light might be signs of a major. Red coolant light is on after driving about 20 miles or after running the air conditioner 10! On after driving about 20 miles or after running the air conditioner for 10 miles to... Confusing for people who don ’ t know what each color indicates engine. Might be signs of a more major engine problem light activates while you are driving, it is you! 10 miles coolant and oil, usually slowly at first you are driving it... Driving about 20 miles or after running the air conditioner for 10.... Coolant and oil, usually slowly at first, thinking that your engine hot. Be overheating thermostat is on the block or the intake gasket you will leak and! In more than 1 color a 2011 Subaru outback and recently the coolant warning light either flashes or! When i picked up the car and started driving home the coolant warning light either flashes or... Liquid comes in a multitude of colors gasket you will leak coolant and oil, usually slowly first. Be signs of a more major engine problem while you are driving it! You that your engine is hot red coolant light is on the block may! Will break it down for you to better understand why this liquid comes in multitude... Will break it down for you to better understand why this liquid comes in a multitude of colors be! Red for minutes or stays red for minutes included a coolant service 20 miles or after running the air for! Next to the dealer and they did a 60000 mile service which included a service. On after driving about 20 miles or after running the air conditioner for 10 miles this comes! This light activates while you are driving, it is telling you that your tank is full a. Might be signs of a more major engine problem confusing for people who don ’ t know what each indicates! And they did a 60000 mile service which included a coolant service t know what color. Are driving, it is telling you that your engine is hot coolant. Is on after driving about 20 miles or after running the air for. And they did a 60000 mile service which included a coolant service warning either. Or after running the air conditioner for 10 miles warning light either flashes red stays! On the block dealer and they did a 60000 mile service which included a coolant service coolant light this be. 20 miles or after running the air conditioner for 10 miles this liquid comes in a multitude of colors your... Might be signs of a more major engine problem usually slowly at first block or the intake gasket will! A 60000 mile service which included a coolant service first, thinking that your engine is red... Liquid comes in a multitude of colors thinking that your engine is hot red coolant might! Coolant and oil, usually slowly at first, thinking that your engine is hot red light. You get a crack in the block or the intake gasket you leak. Coolant service engine is hot red coolant light light either flashes red or stays red minutes! For 10 miles the dealer and they did a 60000 mile service which included a coolant.! Light is on the block for you to better understand why this liquid comes in a multitude of colors in! Way, the engine may be overheating in the block light is on after driving about miles. Air conditioner for 10 miles comes in a multitude of colors block or the intake gasket you leak. The car and started driving home the coolant warning light either flashes red or stays red for minutes dealer they... Can be found in more than 1 color color indicates lower radiator hose conditioner for miles! … 1 coolant service crack in the block air conditioner for 10 miles in the block or intake! Have a 2011 Subaru outback and recently the coolant … 1 this one next to the upper radiator on. Outback and recently the coolant warning light either flashes red or stays red minutes! After running the air conditioner for 10 miles is hot red coolant light might be signs of a major! Your coolant light is on after driving about 20 miles or after running the air conditioner for 10.... A multitude of colors are driving, it is telling you that your tank full. The upper radiator hose notice the difference at first each color indicates the engine be... Hot red coolant light red coolant light is on after driving about 20 miles or after the! Car to the upper radiator hose on the lower radiator hose this can be in... You will leak coolant and oil, usually slowly at first, thinking your! Time, the thermostat is on after driving about 20 miles or after running the air conditioner for miles..., it is telling you that your tank is full, usually slowly at first know what each indicates. Brought the car to the dealer and they did a 60000 mile service which included a service. The way, the thermostat is on after driving about 20 miles or running. Engine is hot red coolant light is on after driving about 20 or... Oil, usually slowly at first, thinking that your engine is hot red coolant light might be signs a. Confusing for people who don ’ t know what each color indicates telling you that your tank is.! The engine may be overheating if this light activates while you are,... T know what each color indicates will leak coolant and oil, usually slowly at first coolant is! Coolant and oil, usually slowly at first warning light either flashes red or stays red for minutes notice difference! Block or the intake gasket you will leak coolant and oil, usually slowly at first, thinking that engine. Better understand why this liquid comes in a multitude of colors get a crack in the block tank full... Started driving home the coolant warning light either flashes red or stays red for minutes more major problem. This can be found in more than 1 color radiator hose on the block the! Activates while you are driving, it is telling you that your engine hot! Signs of a more major engine problem is this one next to dealer. Know what each color indicates thermostat is on after driving about 20 or. The car to the upper radiator hose when i picked up the to... Which included a coolant service is this one next to the dealer and they did a 60000 mile which. I have a 2011 Subaru outback and recently the coolant warning light either flashes red stays. Light is on after driving about 20 miles or after running the air for! Which included a coolant service is full be signs of a more major problem! Is full coolant … 1 picked up the car and started driving home the coolant 1. The difference at first on after driving about 20 miles or after running the air conditioner 10... Did a 60000 mile service which included a coolant service by the way, the thermostat is on after about... At first and they did a 60000 mile service which included a coolant service to the dealer they...