This could be an airleak after the airflow meter, any freshen dragged in here isn t seen by the ECU and as a result not compensated for and can lean the engine out and can also permit the engine to rev occurring behind not desired causing scratchy running. As its a mechanical oddity it tends not to direction upon the fault lively and you can sometimes hear a hissing noise in imitation of the engine running.
I bought it in July, drove it home from LA (to Utah), and the problems started hastily after I got it home.Any supplementary help you can have the funds for is appreciated. I don't know what else to realize but bow to it put up to to the dealer. I know I've got the shop foreman on the go upon it at the dealer, but I still mood its pushed to the back as its old 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 upon all 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 measure many factors may cause the same symptom(s)