When I start my car on a very cold morning my coolant light comes on above my mirror. The CHECK light also flashes on my dash. What causes this?
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The first thing to do is to check the level in the expansion tank. It should be checked when the engine is cold and should be at the cold mark. If that is correct the level sensor is probably bad or making a poor connection.The car makes it possible, but the driver makes it happen.
Jim Levie, Huntsville, AL
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