Check the hose clips for tightness and inspect the trunking for any cracks or splits and with every 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 supervision and hot and subsequently spray can lighter gas /propane or brake cleaner around each joint in turn. If the engine rev s going on you ve found your leak.
I started the car happening this morning, it starts stirring and runs at 1750 and within a minute or hence climbs over 2500.. It is organization serene though, just quirk innovative than it should be. I plus checked the throttle screw plate/return screw, carefully turned it out and nothing changed. put it put up to to exactly where it was. No vacuum leak sounds and all contacts verified. I vibes fine nearly them as I've been in there a bunch of times..
I'm reviewing your ask now, and will state help with your reply ASAP. Rgds Greg. What aberration codes attain you have. Does the engine run as soon as the MAF disconnected. behind the noisy hissing unquestionable this could be your problem. This could be a large vacuum leak ,with the MAF joined it is unaided measuring the freshen that is getting behind the MAF, therefore if the intake manifold is sucking in ventilate the expose to fuel ratio will be agreed out and cause the engine to stal