Now you might think that spraying lighter gas not far off from a hot engine isnt wise, however the flash /ignition point of gas is approximately 400C consequently you infatuation a naked flame or spark to set it off and Ive used this method for many years without incident. function your pretension through each doable joint one at a get older 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 provide a spraying wand and permit a talk to blast of gas into each area, especially those difficult to accomplish afterward large implements.
Might then be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can accomplish a quick irregularity locate if you unplug the meter and control the engine without it. if the engine condition is the similar after that chances are the meter or the link to it is faulty. Its next worth cleaning the MAF sensor wires, as they can acquire coated in the manner of dirt higher than become old which then offsets the reading. Use some get into cleaner or brake cleaner to vaporizer onto the wires to remove the dirt on no account touch the wires bearing in mind anything as they are certainly fragile
I'm reviewing your question now, and will make known urge on as soon as your reply ASAP. Rgds Greg. What oddity codes reach you have. Does the engine manage taking into consideration the MAF disconnected. following the noisy hissing hermetic this could be your problem. This could be a large vacuum leak ,with the MAF related it is lonesome measuring the freshen that is getting like the MAF, fittingly if the intake manifold is sucking in let breathe the freshen to fuel ratio will be agreed out and cause the engine to stal