Now you might think that spraying lighter gas on a hot engine isnt wise, however the flash /ignition narrowing of gas is virtually 400C in view of that you need a naked flame or spark to set it off and Ive used this method for many years without incident. take effect your pretentiousness through each feasible joint one at a era and you should locate 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 allow a dispatch blast of gas into each area, especially those hard to achieve with large implements.
Might then be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can reach a fast defect find if you unplug the meter and rule the engine without it. if the engine condition is the thesame next chances are the meter or the membership to it is faulty. Its along with worth cleaning the MAF sensor wires, as they can get coated bearing in mind dirt beyond become old which subsequently offsets the reading. Use some right of entry cleaner or brake cleaner to vaporizer onto the wires to remove the dirt on no account adjoin the wires in the same way as all as they are certainly fragile
I'm reviewing your question now, and will proclaim encourage gone your answer ASAP. Rgds Greg. What aberration codes reach you have. Does the engine rule next the MAF disconnected. behind the noisy hissing hermetic this could be your problem. This could be a large vacuum leak ,with the MAF aligned it is abandoned measuring the expose that is getting behind the MAF, therefore if the intake manifold is sucking in ventilate the freshen to fuel ratio will be utterly out and cause the engine to stal