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Air con refrigerant pressure reading

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by Beef, Jan 19, 2010.

  1. Beef

    Beef Member

    Mar 26, 2007
    Likes Received:
    Afternoon all.

    Out of the blue, my air con stopped working (Econ light on permanently). I read the threads on this forum - (which were very useful) and did a VAG COM. I was getting an 00819 high pressure sensor (G65) warning. I tried clearing it but it kept coming back, then whilst doing the measuring blocks, the light went off. These are the readings I subsequently got:

    Current 0.432A
    Load 20%
    Load 42.1%
    Absolute Pressure 5%

    Can anybody help me to make sense of them please i.e. is the absolute pressure referring to the refrigerant, and is this OK?

    I'm trying to work out whether I just need a new sensor or a re-gas.

    The car is an A4 avant 2004 1.8T S Line

    Very many thanks in advance.

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  3. quattrojames

    quattrojames Moderator
    Staff Member Moderator Audi A6 Audi Avant Owner Group

    Mar 28, 2008
    Likes Received:
    Try a Post in the Aircon specific section, Staz is quite knowledgeable.

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