Mk3 Gti - AGG Coil Issues

Discussion in 'Electrical' started by bmouthboyo, Mar 13, 2021.

  1. bmouthboyo Forum Member

    Joined:
    Mar 1, 2011
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    Hey everyone,

    I have an AGG in my campervan and yesterday it just cut out mid journey.

    I suspect the coil and have the following resistances from the coil pins to the king lead to distributor pin. I had a spare second hand one but not sure of its condition and that did not work either:

    Coil 1 (one that had installed)
    Terminal 1: 2.91k
    Terminal 2: 3.97k
    Terminal 3: 11.33k

    Coil 2
    Terminal 1: 2.93k
    Terminal 2: 3.98k
    Terminal 3: 5.31k

    The engine does not even try to fire up. It cranks and there is fuel but just wont even attempt to fire up.

    I have ordered another coil hoping that is the issue but wondered if anyone sees issues with the resistances above?

    Thanks
     
  2. GVK

    GVK Paid Member Paid Member

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    Oct 23, 2003
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    Location:
    Lincs.
    Only time my old AGG broke down the crank sensor failed, no spark.
     
  3. rubjonny

    rubjonny Administrator Staff Member Admin

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    Oct 31, 2003
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    Location:
    Bracknell
    would be top of my list too, get vagcom and plug it in then you can read the engine speed measuring block. if it doesnt go up while cranking then its the crank sensor
     
  4. Dougie Paid Member Paid Member

    Joined:
    Jan 5, 2007
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    Location:
    Port Talbot
    The only thing that's ever halted* my AGG-engined Variant, either. I suppose Vw will have to think of another identifier for an estate/station wagon now

    * After a few warning twinges, when it finally went a diagnostic scanner produced a code "Crank sensor intermittent".

    Though it's actually the very similar ADY engine, btw
     
    Last edited: Apr 3, 2021

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