Hello, I have repaired higher than 30000 vehicles in my career and I craving to ask you questions before I am not there in person to gather together facts, data, or to exam your vehicle. I may ask you to take action examination in my stead. If scrutiny is needed and you would rather not enactment testing, I can come up with the money for my best advice, Fuel pressure?
Might in addition to be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can reach a quick malfunction locate if you unplug the meter and govern the engine without it. if the engine condition is the thesame next chances are the meter or the link to it is faulty. Its after that worth cleaning the MAF sensor wires, as they can get coated as soon as dirt on top of epoch which after that offsets the reading. Use some log on cleaner or brake cleaner to vaporizer onto the wires to sever the dirt upon no account touch the wires similar to anything as they are unconditionally fragile
have you looked into throttle body coking and/or combustion chamber/valve carbon buildup? are you going on to date upon all maintenance; spark plugs fuel filter pcv vlave etc? have you performed a visual inspection and listened to engine as it warms stirring and is warmed up? oftentimes in engine affect many factors may cause the thesame symptom(s)