1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

Engine Rev Fluctuating when stationary

Discussion in 'Audi S4/A4/A4 Cab (B8 Chassis)' started by sid812, Jul 17, 2012.

  1. sid812

    sid812 New Member

    Jun 28, 2011
    Likes Received:
    I've been having problems with my AC for the last few weeks, it pumps out warm/cool air, not COLD Air as it should.
    Its going in to the dealer tomorrow.

    But I have noticed one thing over the last few days, if I am stationary for a few minutes with the AC on, every 20-30seconds the rev needle drops a bit, picks up a bit and then back to original position. When this happens you can feel the car slightly shake.
    If the AC is off, it doesnt do this.

    I videoed the Rev needle today to show the dealer, as I guess they may just say "we cant find any fault"

    Not sure if this is related to the AC problem I've been having.

    Anyone else had similar issues with AC? or with the fluctuating Rev?

  2. Advert Guest Advertisement

  3. NHN

    NHN Retrofitter - Audi - VW - Skoda - Seat
    Site Sponsor VCDS Map User

    Jan 14, 2008
    Likes Received:
    Sounds like compressor issue to me.

Share This Page