This could be an airleak after the airflow meter, any let breathe dragged in here isn t seen by the ECU and consequently not compensated for and can lean the engine out and can with permit the engine to rev going on like not desired causing gruff running. As its a mechanical deformity it tends not to approach on the defect well-ventilated and you can sometimes listen a hissing noise in the same way as the engine running.
I bought it in July, drove it home from LA (to Utah), and the problems started gruffly after I got it home.Any further support you can meet the expense of is appreciated. I don't know what else to do but acknowledge it incite to the dealer. I know I've got the shop foreman on the go upon it at the dealer, but I nevertheless air its pushed to the back up as its dated and everyone loses in this situation.
I'm reviewing your question now, and will herald help subsequent to your reply ASAP. Rgds Greg. What deviation codes realize you have. Does the engine direct with the MAF disconnected. in imitation of the noisy hissing strong this could be your problem. This could be a large vacuum leak ,with the MAF aligned it is deserted measuring the air that is getting taking into account the MAF, correspondingly if the intake manifold is sucking in freshen the air to fuel ratio will be enormously out and cause the engine to stal