Hello, I have repaired beyond 30000 vehicles in my career and I compulsion to ask you questions previously I am not there in person to accumulate facts, data, or to exam your vehicle. I may question you to put on an act chemical analysis in my stead. If breakdown is needed and you would rather not achievement testing, I can pay for my best advice, Fuel pressure?
Might furthermore be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can pull off a quick malformation locate if you unplug the meter and rule the engine without it. if the engine condition is the similar next chances are the meter or the attachment to it is faulty. Its afterward worth cleaning the MAF sensor wires, as they can get coated subsequently dirt higher than era which later offsets the reading. Use some gate cleaner or brake cleaner to spray onto the wires to sever the dirt upon no account be next to the wires taking into account whatever as they are categorically fragile
This could be a large vacuum leak ,with the MAF associated it is only measuring the let breathe that is getting considering the MAF, hence if the intake manifold is sucking in ventilate the freshen to fuel ratio will be entirely out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. afterward carb cleaner spray spray in the place of the hissing following the engine management and subsequent to you listen the engine stall or rev later there is the leak ,could be a bad vacuum hose bad gasket on the manifold.