Question about 1999 Lexus LS 400

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Low washer light flashes even when tank is full

How much should this cost to replace sensor?

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There are two or three possible answers.
1. Dealer repair- $100-200; requires labor to remove tank, replace sensor, then replace tank; cost of sensor.
2. Self-repair- $20-30; requires same labor.
3. Disconnect- $0; unplug sensor connector and do not replace sensor.

I recommend testing the sensor circuit. Unplug the sensor connector and determine if the alarm clears. If so, then it is a failed sensor. This is a link to others with the same problem,

Posted on Apr 02, 2015

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Level sensor failing, replace

Posted on Apr 01, 2015


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Posted on Jan 02, 2017

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