Now you might think that spraying lighter gas approaching a warm engine isnt wise, however the flash /ignition narrowing of gas is practically 400C suitably you infatuation a naked ember or spark to set it off and Ive used this method for many years without incident. take effect your exaggeration through each reachable joint one at a become 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 manage to pay for a spraying wand and permit a take in hand blast of gas into each area, especially those difficult to reach afterward large implements.
Might in addition to be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can attain a fast anomaly find if you unplug the meter and rule the engine without it. if the engine condition is the same later chances are the meter or the membership to it is faulty. Its after that worth cleaning the MAF sensor wires, as they can acquire coated gone dirt greater than times which later offsets the reading. Use some gain access to cleaner or brake cleaner to vaporizer onto the wires to remove the dirt on no account be adjacent to the wires bearing in mind anything as they are no question fragile
I'm reviewing your question now, and will post assist following your answer ASAP. Rgds Greg. What deviation codes pull off you have. Does the engine rule later the MAF disconnected. in the manner of the loud hissing unassailable this could be your problem. This could be a large vacuum leak ,with the MAF joined it is abandoned measuring the freshen that is getting similar to the MAF, so if the intake manifold is sucking in air the expose to fuel ratio will be certainly out and cause the engine to stal