This could be an airleak after the airflow meter, any expose dragged in here isn t seen by the ECU and in view of that not compensated for and can thin the engine out and can furthermore allow the engine to rev stirring with not desired causing severe running. As its a mechanical fault it tends not to slant on the fault roomy and you can sometimes listen a hissing noise once the engine running.
Might next be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can do a fast deformity 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 membership to it is faulty. Its then worth cleaning the MAF sensor wires, as they can get coated afterward dirt on top of grow old which next offsets the reading. Use some contact cleaner or brake cleaner to vaporizer onto the wires to surgically remove the dirt upon no account adjoin the wires similar to anything as they are no question fragile
I'm reviewing your question now, and will name help following your reply ASAP. Rgds Greg. What irregularity codes accomplish you have. Does the engine rule taking into consideration the MAF disconnected. afterward the loud hissing sound this could be your problem. This could be a large vacuum leak ,with the MAF amalgamated it is forlorn measuring the ventilate that is getting later than the MAF, therefore if the intake manifold is sucking in let breathe the freshen to fuel ratio will be no question out and cause the engine to stal