Now you might think that spraying lighter gas something like a hot engine isnt wise, however the flash /ignition narrowing of gas is more or less 400C therefore you compulsion a naked flame or spark to set it off and Ive used this method for many years without incident. play a role your exaggeration through each realizable joint one at a times and you should locate it. I use a slightly flattened fragment of brake pipe and some rubber hose from the can of lighter gas to provide a spraying wand and permit a take up blast of gas into each area, especially those difficult to reach following large implements.
I started the car up this morning, it starts happening and runs at 1750 and within a minute or hence climbs exceeding 2500.. It is running smooth though, just pretension higher than it should be. I then 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 all contacts verified. I environment fine roughly them as I've been in there a bunch of times..
This could be a large vacuum leak ,with the MAF similar it is on your own measuring the ventilate that is getting with the MAF, so if the intake manifold is sucking in air the let breathe to fuel ratio will be agreed out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. similar to carb cleaner spray spray in the place of the hissing taking into account the engine admin and later you hear the engine stall or rev future there is the leak ,could be a bad vacuum hose bad gasket upon the manifold.