Hello, I have repaired on top of 30000 vehicles in my career and I dependence to ask you questions since I am not there in person to assemble facts, data, or to exam your vehicle. I may question you to behave examination in my stead. If examination is needed and you would rather not pretense testing, I can find the money for my best advice, Fuel pressure?
Might moreover be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can get a fast defect locate if you unplug the meter and run the engine without it. if the engine condition is the same after that chances are the meter or the association to it is faulty. Its after that worth cleaning the MAF sensor wires, as they can acquire coated when dirt exceeding epoch which then offsets the reading. Use some log on cleaner or brake cleaner to spray can onto the wires to sever the dirt on no account touch the wires behind everything as they are definitely fragile
I'm reviewing your ask now, and will name encourage subsequently your respond ASAP. Rgds Greg. What aberration codes do you have. Does the engine govern considering the MAF disconnected. like the noisy hissing unassailable this could be your problem. This could be a large vacuum leak ,with the MAF associated it is lonesome measuring the ventilate that is getting in the manner of the MAF, suitably if the intake manifold is sucking in freshen the let breathe to fuel ratio will be utterly out and cause the engine to stal