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Old 07-11-2015, 06:09 PM   #3
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Join Date: Sep 2010
Location: Foster City CA
Posts: 1,092
What does the temperature gauge read when the coolant light is on? For example, is it always on regardless of what the gauge says or does it come on at some number on the gauge.

Your saying that the coolant level in the tank is normal suggests either the sensor is bad or coolant isn't circulating. If the gauge is pegged on a high number, then it would seem more likely that coolant isn't flowing. If the light is on all the time, then suspect a bad sensor.

If you're concerned about leaks, have the coolant system pressure tested.
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