Red expansion bottle light on

Car: Volkswagen Polo
Year: 2002

light comes on even if not running changed bottle

Problem added: Aug 31, 2014 (9 years ago)

Points: 1

If not overheating or losing water , faulty sensor .

Answered Sep 1, 2014 (9 years ago)

Points: 37,675

You could try bridging the sensor wiring at the connector ,which would tell you if it,s wiring or sensor fault ;-)

Answered Sep 1, 2014 (9 years ago)

Points: 2,304

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