PC-V causing limp mode issue? ( kinda long)
Seasoned HDF Member
Joined: Oct 2007
Posts: 56,052
Likes: 88,782
From: Western South Dakota
Limp mode is a default reaction when the "throttle by wire" detects an "issue" (this could be anything). It does seem that since the system is detecting the resistance values on the throttle, that a poor interconnection to the throttle body (under the air cleaner) puts the bike in limp mode. I have a 09 RK with the PCV and started to have limp mode about a year ago. It's a pain especially when you are in traffic and need to move. Eventually, I had the throttle replaced ($300) and it still did not fix it. It stayed at the dealer another week where they replaced all of the contacts in the throttle body. The dielectric grease may mitigate that requirement. Once they fixed it, it has been running great, PCV and all.
An ounce of prevention...
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