This could be an airleak after the airflow meter, any air dragged in here isn t seen by the ECU and in view of that not compensated for and can lean the engine out and can as a consequence allow the engine to rev occurring gone not desired causing aggressive running. As its a mechanical deviation it tends not to slant on the fault lighthearted and you can sometimes listen a hissing noise in the manner of the engine running.
Might after that be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can pull off a fast malfunction locate if you unplug the meter and control the engine without it. if the engine condition is the same after that chances are the meter or the membership to it is faulty. Its as well as worth cleaning the MAF sensor wires, as they can get coated in imitation of dirt higher than times which after that offsets the reading. Use some gate cleaner or brake cleaner to spray onto the wires to sever the dirt upon no account lie alongside the wires subsequent to anything as they are unquestionably fragile
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