How do I get rid of this on/off throttle feeling? - BMW S1000RR Forums: BMW Sportbike Forum
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Old 05-10-2011, 12:07 PM   #1 (permalink)
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Join Date: Oct 2010
Location: Clinton Township, MI USA
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Default How do I get rid of this on/off throttle feeling?

I have a PCV and an Auto Tune installed. the bike runs good but it is VERY touchy when I get off the throttle. It's like I hit a point in the throttel movement and it's like the bike shuts off. I was doing a wheelie the other day and was feathering the throttle and I moved it just a tad towards closed and the bike slamed down. Is there a way to tweak this out? Is my Throttle position sensor out of whack? I dont have any values in the 0% throttle for both fuel and air/fuel tables. Should I add something there to help this issue?
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Old 05-10-2011, 02:25 PM   #2 (permalink)
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Don't know, somethings wrong as mine is as sweet as it could be on and off the throttle.

Did you zero the throttle on the PCV? you need to be carefull doing this as it can not be set at 100%, are you sure the correct wire is attached to the throttle?

Hook it up to a PC and watch the throttle, it should show 3 or 4% before you start it and go to zero once started.

Are you sure the A/T is correct? and you have disconnected the original lambda sensors?

It's not just down to the fact that your running in slick mode or soemthing to get the bike to wheelie?

I also have no values in the zero column
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Old 05-10-2011, 02:47 PM   #3 (permalink)
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Quote:
Originally Posted by mikef4uk View Post
Don't know, somethings wrong as mine is as sweet as it could be on and off the throttle.

Did you zero the throttle on the PCV? you need to be carefull doing this as it can not be set at 100%, are you sure the correct wire is attached to the throttle?

Hook it up to a PC and watch the throttle, it should show 3 or 4% before you start it and go to zero once started.

Are you sure the A/T is correct? and you have disconnected the original lambda sensors?

It's not just down to the fact that your running in slick mode or soemthing to get the bike to wheelie?

I also have no values in the zero column
Bike is ALWAYS in slick/sick mode. I did NOT zero the throttle on the PCV software.
I'm pretty sure the correct wire is attached to the throttle, but I will double check tonight.
Yes the orginal O2 sensors are disconnected.
I will first try running her with the Auto Tune disconnected, to rule out that causing anything.
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