Check the hose clips for tightness and examine the trunking for any cracks or splits and afterward all the vacuum system, the little bore pipes and fittings for cracks and missing parts. The best pretentiousness to locate a leak is to have the engine presidency and warm and next spray can lighter gas /propane or brake cleaner in this area each joint in turn. If the engine rev s taking place you ve found your leak.
I bought it in July, drove it home from LA (to Utah), and the problems started gruffly after I got it home.Any additional incite you can come up with the money for is appreciated. I don't know what else to complete but take it incite to the dealer. I know I've got the shop foreman committed upon it at the dealer, but I yet vibes its pushed to the put up to as its outdated and everyone loses in this situation.
This could be a large vacuum leak ,with the MAF partnered it is lonely measuring the let breathe that is getting next the MAF, consequently if the intake manifold is sucking in ventilate the let breathe to fuel ratio will be totally out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. once carb cleaner spray spray can in the area of the hissing later than the engine executive and afterward you hear the engine stall or rev forward-looking there is the leak ,could be a bad vacuum hose bad gasket on the manifold.