Now you might think that spraying lighter gas as regards a warm engine isnt wise, however the flash /ignition dwindling of gas is just about 400C in view of that you infatuation a naked ember or spark to set it off and Ive used this method for many years without incident. feint your pretension through each realistic joint one at a grow old 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 give a spraying wand and allow a forward blast of gas into each area, especially those difficult to achieve like large implements.
Might moreover be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can pull off a quick irregularity find if you unplug the meter and control the engine without it. if the engine condition is the thesame subsequently chances are the meter or the association to it is faulty. Its in addition to worth cleaning the MAF sensor wires, as they can get coated past dirt more than period which later offsets the reading. Use some right of entry cleaner or brake cleaner to vaporizer onto the wires to cut off the dirt upon no account be next to the wires following anything as they are unconditionally fragile
I'm reviewing your ask now, and will pronounce back up taking into account your respond ASAP. Rgds Greg. What deviation codes reach you have. Does the engine manage afterward the MAF disconnected. considering the noisy hissing hermetic this could be your problem. This could be a large vacuum leak ,with the MAF partnered it is forlorn measuring the air that is getting in imitation of the MAF, in view of that if the intake manifold is sucking in air the expose to fuel ratio will be extremely out and cause the engine to stal