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Thread: idle problems

  1. #1
    Junior Member
    Join Date
    Nov 2011
    Posts
    7
    I have a 08 xb9sx with less than 3000 miles on it. Problem is it dosent wont to idle. I dont know what the previous owner did as far as remaping it or anything. It had some kinda home made exhaust, but now has a descent exhaust. I was told the TPS might have to be reset. Any thoughts......can I do this myself and what do I need to do it.............thanks

  2. #2
    Senior Member
    Join Date
    Jul 2010
    Posts
    539
    TPS for the 08 and later can be done as follows:
    1. Turn on the key.
    2. Set the kill switch to the run position.
    3. Don’t start the engine. Rotate the throttle from fully closed (gently forced closed) to fully
    open (gently held open), and then back again to closed (gently forced closed).
    4. Repeat 3 times. Hold each position (fully open, fully closed) for 1 full second.
    5. Turn the key off and on.

    After that,if it seems to help. I would take it for a ride and allow the ecm to learn and make adjustments.

  3. #3
    Junior Member
    Join Date
    Nov 2011
    Posts
    7
    Hey thanks for the help.......I got it to idle great !!!!at first it didnt help until I turned the idle screw all the way off, i removed the air box to make sure the throtle plate was closed. Then I went through the process again and got to idle around 1000rpm..

  4. #4
    Senior Member
    Join Date
    Jul 2010
    Posts
    539
    No problem, glad it's working out. There are downloadable versions the manual at the top or at the buellmods site (you'll need to register). Lots of valuable info.

  5. #5
    Senior Member
    Join Date
    May 2009
    Posts
    196
    What Idle screw? 08 doesent have one ,does it?

  6. #6
    Not to hi jack your thread, I'm having similiar issue on my 07 xb9sx i did rocker cover gaskets and the airbox mod and it hasnt run the same since, any help here would be greatly appreciated.

    Thanks!

  7. #7
    Senior Member
    Join Date
    Jul 2010
    Posts
    539
    What kind of exhaust/ intake set up are you running? Airbox mod? The open airbox or a breather reroute? What maps are you running?



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