S80 Winter morning start prob
 

Hello,

My 2006 AWD 2.5LPT S80 seems to be having problems starting when its goes -15 or below. It turns and starts fine, but the engine goes to idle as though it was warm - sub 1k revs, so the car starts to run rough. I switch off and turn on again and like normal the engine goes to 2k revs and brings itself down slowly and all is fine.

I had this problem on an old car (ford) of mine and it was a faulty auto coke, but not sure what controls the "choke" aspect of modern engines.
Any ideas on what to check?

Car is maintatinend by Volvo dealer due to warranty, its up to date with all services. Mileage is 106k km or 65k miles.

Thanks,