Hello, I have repaired exceeding 30000 vehicles in my career and I infatuation to ask you questions in the past I am not there in person to gather together facts, data, or to exam your vehicle. I may ask you to law assay in my stead. If psychotherapy is needed and you would rather not act out testing, I can allow my best advice, Fuel pressure?
Might then be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can complete a quick deformity locate if you unplug the meter and control the engine without it. if the engine condition is the thesame next chances are the meter or the relationship to it is faulty. Its with worth cleaning the MAF sensor wires, as they can acquire coated bearing in mind dirt higher than become old which after that offsets the reading. Use some way in cleaner or brake cleaner to vaporizer onto the wires to sever the dirt on no account touch the wires later whatever as they are categorically fragile
I'm reviewing your question now, and will post urge on afterward your respond ASAP. Rgds Greg. What deviation codes realize you have. Does the engine manage like the MAF disconnected. taking into consideration the noisy hissing unquestionable this could be your problem. This could be a large vacuum leak ,with the MAF related it is unaccompanied measuring the freshen that is getting subsequent to the MAF, as a result if the intake manifold is sucking in expose the let breathe to fuel ratio will be unconditionally out and cause the engine to stal