This could be an airleak after the airflow meter, any expose dragged in here isn t seen by the ECU and in view of that not compensated for and can lean the engine out and can as well as permit the engine to rev stirring with not desired causing rasping running. As its a mechanical deviation it tends not to slant upon the malfunction roomy and you can sometimes hear a hissing noise subsequent to the engine running.
I bought it in July, drove it home from LA (to Utah), and the problems started suddenly after I got it home.Any additional support you can provide is appreciated. I don't know what else to pull off but allow it urge on to the dealer. I know I've got the shop foreman lively on it at the dealer, but I nevertheless tone its pushed to the back up as its dated and everyone loses in this situation.
have you looked into throttle body coking and/or combustion chamber/valve carbon buildup? are you happening 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 produce an effect many factors may cause the thesame symptom(s)