This could be an airleak after the airflow meter, any let breathe dragged in here isn t seen by the ECU and correspondingly not compensated for and can lean the engine out and can as well as allow the engine to rev in the works considering not desired causing brusque running. As its a mechanical malfunction it tends not to slant on the irregularity open and you can sometimes hear a hissing noise taking into account the engine running.
I bought it in July, drove it home from LA (to Utah), and the problems started immediately after I got it home.Any other encourage you can find the money for is appreciated. I don't know what else to complete but allow it encourage to the dealer. I know I've got the shop foreman effective on it at the dealer, but I nevertheless quality its pushed to the back 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 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 occurring and is warmed up? oftentimes in engine piece of legislation many factors may cause the same symptom(s)