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Thread: dipping revs

  1. #1
    Reverse Gear

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    Exclamation dipping revs

    Hi

    My Audi's revs dips when I take off the oil filler cap, is that normal or not, she doesn't stall or anything, the revs just dips a bit and stay there. Is that ok or not?
    Corne

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  3. #2
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    Yes that is normal. The crankcase breather system is connected into the intake, when you open the oil filler, you are letting in unmetered air through the breather system.

  4. #3
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    You don't say what engine you have there...

    My 5pot 1B engine stalls when I do that (and my NF before that), it's a good check to see if you have any vacuum leaks... or so I've been told anyway. If it doesn't stall there may be a leak elsewhere.

  5. #4
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    Talking

    Quote Originally Posted by 5potnoodle
    You don't say what engine you have there...

    My 5pot 1B engine stalls when I do that (and my NF before that), it's a good check to see if you have any vacuum leaks... or so I've been told anyway. If it doesn't stall there may be a leak elsewhere.

    Hi, sorry for takin so long to write back, I have an AAH engine 2.8 V6, Thanks for the help.
    Corne

 

 

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