Check the hose clips for tightness and examine the trunking for any cracks or splits and plus every the vacuum system, the small bore pipes and fittings for cracks and missing parts. The best artifice to locate a leak is to have the engine admin and warm and subsequently vaporizer lighter gas /propane or brake cleaner approximately each joint in turn. If the engine rev s stirring you ve found your leak.
I bought it in July, drove it house from LA (to Utah), and the problems started brusquely after I got it home.Any further incite you can allow is appreciated. I don't know what else to accomplish but take on it urge on to the dealer. I know I've got the shop foreman on the go on it at the dealer, but I nevertheless mood its pushed to the back up as its obsolete and everyone loses in this situation.
have you looked into throttle body coking and/or combustion chamber/valve carbon buildup? are you in the works to date on all maintenance; spark plugs fuel filter pcv vlave etc? have you performed a visual inspection and listened to engine as it warms happening and is warmed up? oftentimes in engine work many factors may cause the similar symptom(s)