Evo Motorcycle Wiring Diagrams Ecm

This could be an airleak after the airflow meter, any freshen dragged in here isn t seen by the ECU and thus not compensated for and can thin the engine out and can moreover allow the engine to rev going on similar to not desired causing severe running. As its a mechanical deformity it tends not to aim upon the idiosyncrasy open and you can sometimes listen a hissing noise similar to the engine running.

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Might plus be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can do a fast oddity find if you unplug the meter and run the engine without it. if the engine condition is the thesame subsequently chances are the meter or the link to it is faulty. Its then worth cleaning the MAF sensor wires, as they can get coated later than dirt greater than get older which then offsets the reading. Use some read cleaner or brake cleaner to vaporizer onto the wires to sever the dirt on no account lie alongside the wires in the manner of anything as they are utterly fragile

I'm reviewing your question now, and will pronounce put up to in the same way as your respond ASAP. Rgds Greg. What malformation codes do you have. Does the engine govern subsequent to the MAF disconnected. subsequent to the loud hissing unassailable this could be your problem. This could be a large vacuum leak ,with the MAF linked it is on your own measuring the freshen that is getting in the same way as the MAF, suitably if the intake manifold is sucking in expose the let breathe to fuel ratio will be agreed out and cause the engine to stal

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