Hello, I have repaired exceeding 30000 vehicles in my career and I craving to question you questions in the past I am not there in person to gather together facts, data, or to exam your vehicle. I may question you to con scrutiny in my stead. If chemical analysis is needed and you would rather not acquit yourself testing, I can provide my best advice, Fuel pressure?
I bought it in July, drove it home from LA (to Utah), and the problems started rudely after I got it home.Any supplementary back up you can have enough money is appreciated. I don't know what else to do but take it put up to to the dealer. I know I've got the shop foreman in action on it at the dealer, but I yet feel its pushed to the support as its out of date and everyone loses in this situation.
have you looked into throttle body coking and/or combustion chamber/valve carbon buildup? are you occurring 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 stirring and is warmed up? oftentimes in engine comport yourself many factors may cause the same symptom(s)