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Old Aug 5, 2021 | 11:54 PM
  #11  
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Originally Posted by Ed Ramberger
Unplug the speed sensor connection and see if the MAP sensor code resolves. The speed sensor is tied to the 5V Reference line, and failing speed sensors can create other codes and issues. If the MAP problem goes away with the speed sensor disconnected, I would replace the speed sensor.

With the speed sensor unhooked, don't worry about turn signals not cancelling properly or if you suddenly develop an idle issue - speed sensor is part of telling bike it's not moving and affects IAC.

TPS sensors that sum are on Electronic Throttle Control bikes - one sensor it at twist grip, one is at the intake. One goes from 0-5 and the other from 5-0. If they do not sum, codes and derate happen.

TPS sensors on cable throttle bodies just go from 0-5 with throttle blade movement open.
You made my day! It was speed sensor problem. Thanks a lot
 
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Old Aug 8, 2021 | 01:16 AM
  #12  
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Another good call by Ed R! Thank you!
Bob
 
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