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bkd injector duty should reullts be so different between cylinders

Discussion in 'VCDS (formerly VAG-COM) forum' started by nokia_aid, Nov 4, 2011.

  1. nokia_aid
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    nokia_aid Member

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    just tested my injector duty and there are not alll quite the same,results were

    cyl1 cyl2 cyl3 cyl4 measured in mg/str
    2.99 -3.01 -0.19 0.14 as it the car got warmer they went to
    2.82 1.6 -0.73 -0.45


    EDIT
    WHEN IT GOT UPTO FULL TEMP

    CYL 1 CYL 2 CYL 3 CYL 4
    1.71 -0.74 0.72 0.42

    should there be such a big difference between the cylinders


    cheers in advance for your help
    Last edited: Nov 4, 2011
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  2. nokia_aid
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    nokia_aid Member

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    ok looking on google iv got that cylinder 1 is maxed out and cyl 2 could be low cos its trying to compensate,just need to figure out what would cause that,google searching i have figured

    worn cam
    low compression
    faulty injector loom
    pourus head

    any one else know of anything that might cause this
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  3. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator

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    Looks like the age old injector failure. IIRC there is some kind of action where Audi replace the faulty units with new improved ones
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  4. nokia_aid
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    nokia_aid Member

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    the strange thing is though i have already replace the injector in cyl 1 and the mechanic said when he took them out that the injectors had already been done before that cos they were exchange units.
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