This could be an airleak after the airflow meter, any let breathe dragged in here isn t seen by the ECU and suitably not compensated for and can lean the engine out and can next allow the engine to rev up subsequently not desired causing sharp running. As its a mechanical defect it tends not to slope upon the malformation buoyant and you can sometimes listen a hissing noise subsequent to the engine running.
Might also be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can complete a fast defect locate if you unplug the meter and run the engine without it. if the engine condition is the thesame then chances are the meter or the link to it is faulty. Its as a consequence worth cleaning the MAF sensor wires, as they can get coated like dirt higher than times which later offsets the reading. Use some entrance cleaner or brake cleaner to spray onto the wires to cut off the dirt on no account lie alongside the wires subsequent to all as they are extremely fragile
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