This could be an airleak after the airflow meter, any let breathe dragged in here isn t seen by the ECU and as a result not compensated for and can thin the engine out and can moreover permit the engine to rev stirring similar to not desired causing argumentative running. As its a mechanical oddity it tends not to slant on the irregularity spacious and you can sometimes hear a hissing noise bearing in mind the engine running.
Might plus be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can complete a quick aberration locate if you unplug the meter and govern the engine without it. if the engine condition is the thesame subsequently chances are the meter or the link to it is faulty. Its plus worth cleaning the MAF sensor wires, as they can get coated afterward dirt beyond time which next offsets the reading. Use some right to use cleaner or brake cleaner to vaporizer onto the wires to cut off the dirt upon no account adjoin the wires like anything as they are unquestionably fragile
I'm reviewing your ask now, and will proclaim back up taking into consideration your reply ASAP. Rgds Greg. What malfunction codes realize you have. Does the engine rule like the MAF disconnected. in the same way as the loud hissing unassailable this could be your problem. This could be a large vacuum leak ,with the MAF connected it is lonesome measuring the expose that is getting behind the MAF, in view of that if the intake manifold is sucking in let breathe the expose to fuel ratio will be definitely out and cause the engine to stal