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    PDK Coasting Function

    I've got a 981S loan car at the moment with PDK.  Whilst I have always thought it technically superb, I still prefer manual transmission so my recent PDK experience is limited.  Anyway, when left the OPC I kept it in normal/auto mode just to get used to it for a bit.  Soon after I had joined the motorway I was cruising at about 60mph waiting for a gap in a faster lane.  When said gap occurred I pressed the accelerator firmly (but not mashed) and the revs shot round to the red line and bounced off the limiter, with me  gently drifting along at 60mph.  So I eased off and then tried again and the same thing happened (although I was ready to ease off before spanking the engine this time).  At first I thought I had broken the gearbox but then remembered the coasting function.  Its supposed to react in milliseconds but this example clearly doesn't (I tried this several times to check) and it completely spoils the technical brilliance of the gearbox.  Bearing in mind the engine was cold the first time, this is a lousy design as well as annoying.  Sport mode seems to switch it off thank god but sport mode is a bit tiresome in heavy traffic.    Porsche desperately need to decouple the various functions linked to sport mode, make them individually selectable and sticky.    


    Gen II Cayman S

    Re: PDK Coasting Function

    Those PDK gearboxes sound just about perfect to me.  lol  Yeah, give me the latest gadget and take away my manual. 

    Bet you money the GT3 delay is gearbox related.

    Re: PDK Coasting Function

    Both coasting and stop/start are disabled by engaging sport (or sport plus) mode or pressing the @ button. When cold, if I leave it in default settings my car won't stop/start but does coast (and not just at motorway speeds). I've never experienced any over revving when using this function on my car so I suspect there was an issue with the car you have. That said, I completely agree that it should be possible to default the settings to either disable it or use sport mode on startup. However, it's now simply part of my routine to plugin seat belt and turn on sport mode so I don't actually notice it any more.


    991 (what a car!) XC90 - Black/Black 2 kids, 1 dog



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