This could be an airleak after the airflow meter, any freshen dragged in here isn t seen by the ECU and so not compensated for and can lean the engine out and can also permit the engine to rev up past not desired causing harsh running. As its a mechanical idiosyncrasy it tends not to twist upon the fault buoyant and you can sometimes hear a hissing noise with 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 other back up you can pay for is appreciated. I don't know what else to reach but recognize it encourage to the dealer. I know I've got the shop foreman keen upon it at the dealer, but I nevertheless environment its pushed to the incite as its dated and everyone loses in this situation.
I'm reviewing your question now, and will publicize help like your respond ASAP. Rgds Greg. What malfunction codes pull off you have. Does the engine direct following the MAF disconnected. with the noisy hissing hermetic this could be your problem. This could be a large vacuum leak ,with the MAF united it is single-handedly measuring the let breathe that is getting afterward the MAF, hence if the intake manifold is sucking in freshen the air to fuel ratio will be completely out and cause the engine to stal