My dashboard LOW COOLANT light came on, I had the radiatior flushed, and the light is still blinks
You should first check your coolant overflow tank to make sure there is the proper amount of coolant in it. You MUST check the coolant level when the engine is cold to get a proper reading of the level of coolant. When you open a car's coolant system to flush it is common to get air bubbles in the engine. As the engine warms up, the coolant expands and the excess goes into the overflow tank. When the engine cools, the coolant contracts and it draws coolant from the overflow tank. So, after a flush, you must check the level of the coolant the next couple of times you drive your car because it will take several expanding and contracting cycles for all of the air bubbles to be forced out of the engine. If the level is the same after checking it a couple of times, then you should open the radiator cap check the level there. It should be at the very top of the radiator. (MAKE SURE THE ENGINE IS COLD OR YOU WILL GET BURNED!!!).
If insuring the engine has the proper level of coolant doesn't correct the low coolant light, the next step would be to replace the sensor. In most engines it is just a screw-in plug with a wire on it that transmits to the low coolant gauge in the dash. Most automotive part stores should be able to look up where it is located. It is like changing a spark plug, but you may loose a little coolant out of the engine when you remove the old one, so check the coolant level after changing it.
Good Luck!
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