Hello everybody I'm new out here i just got a 2011 scion xb I'm having a few problems with it already. One is win i put my car in drive with the a/c on it will blow cold and thin some type of smoke comes out the vents dose anyone no of this issue with this car. And win im a a stop my car gone to low idle like 500 RPM . boo hoo my car shakes very bad I changed the pcv-value the purge sensor. Spark plugs. Oil change and transmission filter.gasket and oil i just don't know what to do... Can some body Help me ty. I never had this problem with my 04,05,06 but don't get me rung it drive like a champ win on freeway wow.