Check the hose clips for tightness and inspect the trunking for any cracks or splits and along with all the vacuum system, the little bore pipes and fittings for cracks and missing parts. The best habit to locate a leak is to have the engine processing and hot and subsequently spray lighter gas /propane or brake cleaner nearly each joint in turn. If the engine rev s going on you ve found your leak.
I bought it in July, drove it house from LA (to Utah), and the problems started immediately after I got it home.Any supplementary back you can find the money for is appreciated. I don't know what else to complete but take on it back up to the dealer. I know I've got the shop foreman effective upon it at the dealer, but I still feel its pushed to the put up to as its antiquated and everyone loses in this situation.
I'm reviewing your ask now, and will herald back bearing in mind your respond ASAP. Rgds Greg. What oddity codes accomplish you have. Does the engine govern in the same way as the MAF disconnected. when the loud hissing strong this could be your problem. This could be a large vacuum leak ,with the MAF connected it is unaided measuring the freshen that is getting taking into account the MAF, in view of that if the intake manifold is sucking in ventilate the air to fuel ratio will be certainly out and cause the engine to stal