Check the hose clips for tightness and examine the trunking for any cracks or splits and as well as all the vacuum system, the small bore pipes and fittings for cracks and missing parts. The best showing off to find a leak is to have the engine government and warm and after that spray can lighter gas /propane or brake cleaner in the region of each joint in turn. If the engine rev s going on you ve found your leak.
I started the car occurring this morning, it starts happening and runs at 1750 and within a minute or correspondingly climbs exceeding 2500.. It is government smooth though, just way complex than it should be. I plus checked the throttle screw plate/return screw, with intent turned it out and nothing changed. put it encourage to exactly where it was. No vacuum leak sounds and every associates verified. I tone good about them as I've been in there a bunch of times..
I'm reviewing your question now, and will say back up subsequently your respond ASAP. Rgds Greg. What fault codes do you have. Does the engine direct as soon as the MAF disconnected. subsequently the noisy hissing unquestionable this could be your problem. This could be a large vacuum leak ,with the MAF partnered it is and no-one else measuring the let breathe that is getting next the MAF, fittingly if the intake manifold is sucking in expose the air to fuel ratio will be very out and cause the engine to stal