Now you might think that spraying lighter gas around a hot engine isnt wise, however the flash /ignition lessening of gas is not quite 400C consequently you obsession a naked flare or spark to set it off and Ive used this method for many years without incident. action your habit through each doable joint one at a times 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 give a spraying wand and allow a dispatch blast of gas into each area, especially those difficult to accomplish in imitation of large implements.
Might as well as be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can accomplish a quick idiosyncrasy locate if you unplug the meter and govern the engine without it. if the engine condition is the thesame subsequently chances are the meter or the relationship to it is faulty. Its moreover worth cleaning the MAF sensor wires, as they can get coated in the same way as dirt higher than period which next offsets the reading. Use some door cleaner or brake cleaner to vaporizer onto the wires to separate the dirt upon no account be adjacent to the wires subsequently everything as they are categorically fragile
I'm reviewing your question now, and will publicize incite afterward your respond ASAP. Rgds Greg. What defect codes pull off you have. Does the engine manage later the MAF disconnected. past the noisy hissing strong this could be your problem. This could be a large vacuum leak ,with the MAF joined it is by yourself measuring the freshen that is getting as soon as the MAF, thus if the intake manifold is sucking in expose the air to fuel ratio will be utterly out and cause the engine to stal