Question about 1989 Volkswagen Jetta 2 Door

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First check the coolant level in the reservoir.

If not low then you have an electrical issue. Remove the sensor connector from the top of the reservoir. Put a jump wire between the two connectors. Turn the key of on and hold for a few seconds. The light will always flash for a few seconds. It should go off. If it does the sensor is not working (unusual).

Sensor not working - unscrew from top of reservoir. It may just need cleaning of the two wires. If not replace.

If the light did not go off it is a wiring issue. There is a bared or broken wire. You will need to find the break.


Posted on Mar 07, 2010

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You need to check the coolant level in the overflow reservoir.

Posted on Feb 05, 2010

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