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Thread: 07 Q7 4.2 TDI engine run away

  1. #11
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    They have always been a fail. If done right they have no idea they have been gutted. This being a 2007 they aren't even required that year Audi designed and built this motor with them so they were added when not required. This motor doesn't use a down stream injector to inject diesel into the exhaust instead it has an extra injection cycle on the exhaust stroke which honestly is not a great thing for any engine it washes the cylinders down and dilutes the oil. Poor setup all around.

  2. #12
    Verified VCDS User PetrolDave's Avatar
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    Quote Originally Posted by 05a6c6 View Post
    They have always been a fail. If done right they have no idea they have been gutted.
    The wording has been changed slightly from 1st May 2018:

    Last edited by PetrolDave; 02-18-2018 at 12:09 PM.

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  4. #13
    NostraJackAss Jack@European_Parts's Avatar
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    It's about time..../\.....
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