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RON coded plug

gaz71 Jul 20, 2009

  1. gaz71

    gaz71 1.8T Quattro Sport AJL

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    I was looking at my engine earlier and I noticed something. At the back of the engine bay there is a brown plug which I assume to be the RON code plug. For my car, A4 1.8t Quattro Sport engine code AJL, I thought that it should have a plug marked 98. The one in my car is marked 87. Am I just being stupid or has my car got the wrong coded plug :confused:
     
  2. aragorn

    aragorn "Stick a V8 in it!" Staff Member Moderator VCDS Map User

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    RON plugs havent been around for years, only the old Jetronic and very early motronic systems use them, later motronics had them but it didnt change the RON just acted a bit like a diag plug, and i've certainly never seen one on the A4

    Can you take a pic of this plug?
     
  3. Broken Byzan

    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User quattro Audi A4

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    Brown plug is normally the one that goes to the Oxy sensor IIRC
     
  4. griswold

    griswold Member

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    yes its from the cat mines got 87 too
     
  5. gaz71

    gaz71 1.8T Quattro Sport AJL

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    OK, thanks.......Stupidity 1 Me 0 :keule:
     

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