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2.5TDi glow plug problem

Discussion in 'General Technical / How To' started by mmarks, Feb 29, 2004.

  1. mmarks

    mmarks New Member

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    Dec 4, 2003
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    Hi there,

    I know I've asked this before but I am desperate for some guidance!

    A6 quattro estate with 2.5Tdi (5 cyl) engine I think code AEL.

    Glow plug light comes on & goes out after a few seconds, takes longer when really cold so seems to be working. But no power gets to glow plugs. If I connect glow plug directly to battery it glows, If I turn on ignition it receives no power (proven by unscrewing glow plug & earthing against engine block).

    where do I look - relay, fuse etc.
     
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  3. Major_Ingram

    Major_Ingram New Member

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    It sounds like you have a glow plug controller unit failure.
    I don't know where it is situated on your car but following the heavy cable from the glowplug back should give you a clue.

    Hopefully it'll just be a fuse that has gone!
     

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