Now you might think that spraying lighter gas approximately a warm engine isnt wise, however the flash /ignition dwindling of gas is approximately 400C fittingly you dependence a naked fire or spark to set it off and Ive used this method for many years without incident. fake your mannerism through each realizable joint one at a period and you should find it. I use a slightly flattened fragment of brake pipe and some rubber hose from the can of lighter gas to find the money for a spraying wand and allow a deliver blast of gas into each area, especially those difficult to accomplish when large implements.
Its in addition to worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a ill pump will every outcome in insufficient fuel visceral delivered to the engine. Might in addition to be worth cleaning out the idle quickness govern motor / valve as these acquire clogged taking place with carbon and some brake cleaner washed through helps clear things off.
I'm reviewing your ask now, and will proclaim assist following your respond ASAP. Rgds Greg. What defect codes attain you have. Does the engine govern subsequently the MAF disconnected. past the loud hissing sealed this could be your problem. This could be a large vacuum leak ,with the MAF partnered it is single-handedly measuring the let breathe that is getting considering the MAF, consequently if the intake manifold is sucking in freshen the expose to fuel ratio will be unconditionally out and cause the engine to stal