C40 & C28, RPM flutating between 2500-1000

himanshu23

Registered
Hey ALL!!!!!!!!!!!!!!!!

Wishing you all happy new year !!!!!!!!!!!!!!!

HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

I am facing a problem with 2008 hayabusa:

1. Code C:40
2. Code C:28
3. Engine rpm is raise to 2000 and fluctuating between 2500-1000. Video is attached.


Checked IDLE motor after removing it is working fine, Secondary throttle are not actuating as desired, it is open condition. if Mode is not changed C28 is not occurred but as soon as mode is changed C28 is displayed in meter.


HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
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