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2004 Volkswagen Beetle Question: Coolant warning light blinks red after starting cold engine.

 

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Uncle Chuck, 1.8L 4 Cylinder Turbo, Decatur, GA, October 13, 2011, 21:36
 Rookie

Light goes out when engine warms up.

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  • Answer #1

    FREED from FREED Performance, October 17, 2011, 06:07
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     Enthusiast

    First thing you should check is your coolant level. Sounds like you might be just below the sensor on start up. Then when the vehicle warms up, the fluid expands and covers the sensor turning the light off.

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