Hello, I have repaired on top of 30000 vehicles in my career and I need to ask you questions back I am not there in person to gather together facts, data, or to test your vehicle. I may ask you to play psychotherapy in my stead. If examination is needed and you would rather not comport yourself testing, I can come up with the money for my best advice, Fuel pressure?
Might along with be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can complete a fast malfunction locate if you unplug the meter and run the engine without it. if the engine condition is the similar later chances are the meter or the membership to it is faulty. Its as well as worth cleaning the MAF sensor wires, as they can acquire coated when dirt on top of era which then offsets the reading. Use some admission cleaner or brake cleaner to spray can onto the wires to surgically remove the dirt upon no account be adjacent to the wires taking into consideration whatever as they are certainly fragile
This could be a large vacuum leak ,with the MAF aligned it is unaccompanied measuring the air that is getting next the MAF, as a result if the intake manifold is sucking in air the freshen to fuel ratio will be utterly out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. taking into consideration carb cleaner spray spray in the place of the hissing bearing in mind the engine dispensation and bearing in mind you hear the engine stall or rev unconventional there is the leak ,could be a bad vacuum hose bad gasket upon the manifold.