Why is my car coolant not working properly?
Why is my car coolant not working properly? If the temperature gauge isn't moving much from the lowest reading, or the car runs poorly for more than a few minutes on a cold day, the cooling system may not be working properly. There are a few potential culprits for why your car engine coolant may not be heating up: What causes a car to overheat when idling? That said, some of the the basic things you can check when your car overheats at idle include: The coolant level. Only check when the engine is cool. Low coolant can cause overheating....