Hello, I have repaired exceeding 30000 vehicles in my career and I craving to question you questions since I am not there in person to gather facts, data, or to test your vehicle. I may question you to operate testing in my stead. If psychotherapy is needed and you would rather not take effect testing, I can give my best advice, Fuel pressure?
I bought it in July, drove it house from LA (to Utah), and the problems started rapidly after I got it home.Any supplementary put up to you can give is appreciated. I don't know what else to attain but endure it help to the dealer. I know I've got the shop foreman practicing on it at the dealer, but I yet atmosphere its pushed to the encourage as its outmoded and everyone loses in this situation.
have you looked into throttle body coking and/or combustion chamber/valve carbon buildup? are you going on 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 in the works and is warmed up? oftentimes in engine appear in many factors may cause the thesame symptom(s)