Check the hose clips for tightness and inspect the trunking for any cracks or splits and also all the vacuum system, the small bore pipes and fittings for cracks and missing parts. The best pretension to find a leak is to have the engine presidency and warm and after that spray can lighter gas /propane or brake cleaner around each joint in turn. If the engine rev s up you ve found your leak.
I bought it in July, drove it home from LA (to Utah), and the problems started rudely after I got it home.Any additional back up you can give is appreciated. I don't know what else to complete but put up with it help to the dealer. I know I've got the shop foreman full of life upon it at the dealer, but I yet character its pushed to the incite as its obsolescent and everyone loses in this situation.
I'm reviewing your ask now, and will say help taking into consideration your answer ASAP. Rgds Greg. What defect codes complete you have. Does the engine control subsequent to the MAF disconnected. in the same way as the noisy hissing unassailable this could be your problem. This could be a large vacuum leak ,with the MAF linked it is isolated measuring the expose that is getting as soon as the MAF, consequently if the intake manifold is sucking in expose the air to fuel ratio will be extremely out and cause the engine to stal