Now you might think that spraying lighter gas on the subject of a hot engine isnt wise, however the flash /ignition reduction of gas is about 400C fittingly you obsession a naked flare or spark to set it off and Ive used this method for many years without incident. take steps your artifice through each practicable joint one at a time and you should find it. I use a slightly flattened piece of brake pipe and some rubber hose from the can of lighter gas to present a spraying wand and allow a speak to blast of gas into each area, especially those hard to attain subsequent to large implements.
I started the car occurring this morning, it starts occurring and runs at 1750 and within a minute or thus climbs higher than 2500.. It is doling out mild though, just pretentiousness difficult than it should be. I next checked the throttle screw plate/return screw, intentionally turned it out and nothing changed. put it put up to to exactly where it was. No vacuum leak sounds and all associates verified. I vibes good approximately them as I've been in there a bunch of times..
I'm reviewing your question now, and will name back subsequently your answer ASAP. Rgds Greg. What defect codes realize you have. Does the engine rule past the MAF disconnected. with the loud hissing unassailable this could be your problem. This could be a large vacuum leak ,with the MAF similar it is solitary measuring the expose that is getting bearing in mind the MAF, so if the intake manifold is sucking in expose the ventilate to fuel ratio will be no question out and cause the engine to stal