Now you might think that spraying lighter gas going on for a hot engine isnt wise, however the flash /ignition reduction of gas is approximately 400C suitably you need a naked fire or spark to set it off and Ive used this method for many years without incident. accomplish your habit through each practicable joint one at a time 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 come up with the money for a spraying wand and allow a take up blast of gas into each area, especially those hard to accomplish taking into consideration large implements.
Might as a consequence be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can accomplish a quick defect locate if you unplug the meter and control the engine without it. if the engine condition is the similar later chances are the meter or the connection to it is faulty. Its next worth cleaning the MAF sensor wires, as they can get coated next dirt more than become old which later offsets the reading. Use some entrance cleaner or brake cleaner to vaporizer onto the wires to sever the dirt on no account lie alongside the wires when whatever as they are utterly fragile
I'm reviewing your ask now, and will make known encourage following your respond ASAP. Rgds Greg. What oddity codes do you have. Does the engine govern in the same way as the MAF disconnected. in imitation of the loud hissing sound this could be your problem. This could be a large vacuum leak ,with the MAF combined it is lonely measuring the ventilate that is getting with the MAF, for that reason if the intake manifold is sucking in air the expose to fuel ratio will be unquestionably out and cause the engine to stal