Now you might think that spraying lighter gas on a warm engine isnt wise, however the flash /ignition reduction of gas is very nearly 400C fittingly you dependence a naked blaze or spark to set it off and Ive used this method for many years without incident. put-on your showing off through each possible joint one at a mature 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 offer a spraying wand and allow a attend to blast of gas into each area, especially those difficult to accomplish taking into consideration large implements.
Might also be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can pull off a quick deformity find if you unplug the meter and direct the engine without it. if the engine condition is the same after that chances are the meter or the membership to it is faulty. Its with worth cleaning the MAF sensor wires, as they can acquire coated similar to dirt beyond get older which subsequently offsets the reading. Use some gate cleaner or brake cleaner to spray onto the wires to surgically remove the dirt on no account touch the wires taking into consideration anything as they are no question fragile
I'm reviewing your question now, and will declare assist in the same way as your respond ASAP. Rgds Greg. What deviation codes do you have. Does the engine run like the MAF disconnected. in the same way as the loud hissing hermetic this could be your problem. This could be a large vacuum leak ,with the MAF related it is deserted measuring the expose that is getting in the manner of the MAF, hence if the intake manifold is sucking in air the air to fuel ratio will be no question out and cause the engine to stal