Check the hose clips for tightness and inspect the trunking for any cracks or splits and also every the vacuum system, the small bore pipes and fittings for cracks and missing parts. The best pretentiousness to locate a leak is to have the engine doling out and hot and next spray can lighter gas /propane or brake cleaner not far off from each joint in turn. If the engine rev s stirring you ve found your leak.
I started the car up this morning, it starts going on and runs at 1750 and within a minute or therefore climbs higher than 2500.. It is paperwork smooth though, just habit well ahead than it should be. I also checked the throttle screw plate/return screw, deliberately turned it out and nothing changed. put it back to exactly where it was. No vacuum leak sounds and every associates verified. I air fine very nearly them as I've been in there a bunch of times..
I'm reviewing your ask now, and will state encourage in imitation of your respond ASAP. Rgds Greg. What defect codes attain you have. Does the engine rule as soon as the MAF disconnected. considering the noisy hissing unassailable this could be your problem. This could be a large vacuum leak ,with the MAF connected it is lonesome measuring the freshen that is getting later the MAF, suitably if the intake manifold is sucking in ventilate the air to fuel ratio will be completely out and cause the engine to stal