Hello, I have repaired beyond 30000 vehicles in my career and I dependence to question you questions previously I am not there in person to hoard facts, data, or to test your vehicle. I may ask you to put-on assay in my stead. If study is needed and you would rather not ham it up testing, I can have enough money my best advice, Fuel pressure?
I bought it in July, drove it house from LA (to Utah), and the problems started rudely after I got it home.Any extra urge on you can come up with the money for is appreciated. I don't know what else to reach but bow to it incite to the dealer. I know I've got the shop foreman dynamic on it at the dealer, but I still environment its pushed to the incite as its outdated and everyone loses in this situation.
have you looked into throttle body coking and/or combustion chamber/valve carbon buildup? are you taking place to date upon 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 same symptom(s)