Check the hose clips for tightness and inspect the trunking for any cracks or splits and as a consequence all the vacuum system, the little bore pipes and fittings for cracks and missing parts. The best habit to find a leak is to have the engine admin and warm and later spray lighter gas /propane or brake cleaner re each joint in turn. If the engine rev s going on you ve found your leak.
I bought it in July, drove it house from LA (to Utah), and the problems started gruffly after I got it home.Any further urge on you can come up with the money for is appreciated. I don't know what else to realize but recognize it help to the dealer. I know I've got the shop foreman full of life upon it at the dealer, but I nevertheless atmosphere its pushed to the assist as its pass and everyone loses in this situation.
have you looked into throttle body coking and/or combustion chamber/valve carbon buildup? are you stirring to date upon every maintenance; spark plugs fuel filter pcv vlave etc? have you performed a visual inspection and listened to engine as it warms up and is warmed up? oftentimes in engine bill many factors may cause the same symptom(s)