I've a 2005 3.2 Cayenne and owned it for a couple of years. :thumbup:
Recently, it's been doing some weird stuff. :(
Over the winter I've been getting the 4 wheel drive failure coming on and off. Basically. When I start the car, it can be hit & miss - once in 10 it will display the fault. Just switch off, switch on again and hey presto - the fault goes.
More recently though, I've had a few problems starting the car. Some mornings, I turn the key and the engine turns over but doesn't start. If I stop & try again, it starts okay but, after a short while (seco