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take oil cap off and revs drop, what does this mean?

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by kier1990, Jan 1, 2014.

  1. kier1990

    kier1990 New Member

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    I had some problems with my audi overheating, when I take the oil cap off the car the revs drop right down and the car almost cuts out and it has cut out a couple of times. What can cause this?
     
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  3. Ollie-B

    Ollie-B Rockin' Shnit

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    Being stupid and taking your oil cap off while the engines running causes this haha its to do with pressures and air being sucked in, same on vauxhalls
     

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