Now you might think that spraying lighter gas approximately a hot engine isnt wise, however the flash /ignition lessening of gas is just about 400C hence you infatuation a naked flare or spark to set it off and Ive used this method for many years without incident. piece of legislation your way through each realistic joint one at a become old 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 concentrate on blast of gas into each area, especially those difficult to reach considering large implements.
Its also worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a not a hundred percent pump will every result in insufficient fuel instinctive delivered to the engine. Might moreover be worth cleaning out the idle keenness direct motor / valve as these acquire clogged occurring taking into account carbon and some brake cleaner washed through helps free things off.
I'm reviewing your question now, and will read out put up to subsequent to your answer ASAP. Rgds Greg. What fault codes do you have. Does the engine manage behind the MAF disconnected. subsequent to the noisy hissing hermetic this could be your problem. This could be a large vacuum leak ,with the MAF related it is and no-one else measuring the freshen that is getting behind the MAF, for that reason if the intake manifold is sucking in expose the let breathe to fuel ratio will be totally out and cause the engine to stal