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Fans on constantly

watercool Nov 18, 2018

  1. watercool

    watercool New Member

    Hi everyone,

    Ive just replaced my engine coolant temperature sensor (the one on the right hand side) of my Audi A3 Tdi (BKD engine)...as I had an irratic idle, dead temp gauge, engine light on and the fault code.... 16502 - Engine Coolant Temp Sensor (G62) Signal too high.

    After replacing that (made no difference to anything) the engine fans are constantly running, as soon as I turn the ignition on.

    The car was/is losing a small amount of water and i have to top up every few days.

    I only have a cheapo code reader and it won't erase any codes.

    Please can someone help with what this might mean and what to check?
    Last edited: Nov 18, 2018

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