Hello, I have repaired greater than 30000 vehicles in my career and I obsession to question you questions past I am not there in person to gather together facts, data, or to exam your vehicle. I may ask you to feign chemical analysis in my stead. If scrutiny is needed and you would rather not action testing, I can meet the expense of my best advice, Fuel pressure?
I bought it in July, drove it home from LA (to Utah), and the problems started snappishly after I got it home.Any supplementary put up to you can provide is appreciated. I don't know what else to accomplish but say you will it help to the dealer. I know I've got the shop foreman effective on it at the dealer, but I yet environment its pushed to the urge on as its archaic 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 all maintenance; spark plugs fuel filter pcv vlave etc? have you performed a visual inspection and listened to engine as it warms occurring and is warmed up? oftentimes in engine put-on many factors may cause the similar symptom(s)