Hello, I have repaired higher than 30000 vehicles in my career and I obsession to question you questions since I am not there in person to collect facts, data, or to test your vehicle. I may ask you to pretense assay in my stead. If psychotherapy is needed and you would rather not play a role testing, I can have the funds for my best advice, Fuel pressure?
Might as well as be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can attain a fast aberration locate if you unplug the meter and run the engine without it. if the engine condition is the similar next chances are the meter or the relationship to it is faulty. Its afterward worth cleaning the MAF sensor wires, as they can acquire coated subsequent to dirt higher than grow old which later offsets the reading. Use some approach cleaner or brake cleaner to vaporizer onto the wires to surgically remove the dirt on no account lie alongside the wires like anything as they are enormously fragile
This could be a large vacuum leak ,with the MAF similar it is lonesome measuring the air that is getting gone the MAF, for that reason if the intake manifold is sucking in let breathe the expose to fuel ratio will be completely out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. past carb cleaner spray spray can in the place of the hissing next the engine government and subsequently you hear the engine stall or rev far along there is the leak ,could be a bad vacuum hose bad gasket upon the manifold.