OEM Coils - How to Bench Test ?

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  • macspring
    S2Forum Zealot
    • Mar 2005
    • 6371
    • Home: Ireland Current: Wallis & Futuna

    #1

    OEM Coils - How to Bench Test ?

    One of my oem coils is faulty between 3k and 4k, as a set of 1.8T style coils cured it, but I was wondering is there a way to bench test which of the original oem coils is faulty, assuming no visual issues are obvious with the wiring ?

    Thanks.




    Last edited by macspring; 12 February 2015, 00:22.
  • UrS4boy
    S2Forum Obsessed
    • Feb 2006
    • 11859
    • Country: Canada

    #2
    One missing and hestitation diagnostics re: Coil

    Not sure about "bench" but these might help:

    One missing and hestitation diagnostic:
    The Audi Enthusiast website. Forums for all Audis including A4, S4, A5, S5, A6, S6, allroad, A8, S8, TT, R8, Q5, Q7, 4000, 100, 200, v6, v8, vintage, local forums






    RS2'd 93 UrS4 5 spd sedan
    94 UrS4 V8 6 spd manual avant

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    • macspring
      S2Forum Zealot
      • Mar 2005
      • 6371
      • Home: Ireland Current: Wallis & Futuna

      #3
      Apologies to initial readers of the thread, I forgot to say that in December / January 2015 I'd changed the spark plugs to NGK, replaced the fuel filter, swopped in a good MAF, tightened all of the boost hoses, but as mentioned in the first post above it turned out to be one of the original coils breaking down under load between 3k and 4k under wot.

      I've yet to examine / test them to see if it was a coil or the wiring.

      HTH someone else in the future.



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      • UUUdirs2newcastle
        S2Forum Maniac
        • Apr 2008
        • 655
        • Country: England

        #4
        Hmmm, I feel this is going to be me

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