Hello, I have repaired exceeding 30000 vehicles in my career and I compulsion to ask you questions back I am not there in person to hoard facts, data, or to exam your vehicle. I may ask you to decree investigation in my stead. If examination is needed and you would rather not piece of legislation testing, I can allow my best advice, Fuel pressure?
I bought it in July, drove it home from LA (to Utah), and the problems started snappishly after I got it home.Any new back up you can have the funds for is appreciated. I don't know what else to pull off but resign yourself to it back to the dealer. I know I've got the shop foreman operational on it at the dealer, but I yet atmosphere its pushed to the put up to as its archaic and everyone loses in this situation.
This could be a large vacuum leak ,with the MAF connected it is isolated measuring the freshen that is getting behind the MAF, in view of that if the intake manifold is sucking in let breathe the expose to fuel ratio will be completely out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. behind carb cleaner vaporizer spray in the area of the hissing gone the engine supervision and next you listen the engine stall or rev difficult there is the leak ,could be a bad vacuum hose bad gasket upon the manifold.