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  1. #1
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    Dec 2003
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    2.5TDi glow plug problem

    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. #2
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    Mar 2004
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    Re: 2.5TDi glow plug problem

    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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