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Buell Forum » XBoard » Archive through March 28, 2010 » Help with race ECM and TPS reset « Previous Next »

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Illbuell
Posted on Thursday, March 25, 2010 - 05:49 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
Put a used race ECM in my 2004 XB12S. Started it up to load it and it ran great. Got it to the dealer to reset the TPS as advised.
After the reset the bike varies its RPM up and down about 1000RPMs in range. If you open the throttle to say 4K it will go 4K to 3K and back to 4K constantly.. Any ideas? I wish I hadn't touched it but don't know how to go back..
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Terrys1980
Posted on Thursday, March 25, 2010 - 06:32 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
I have had that happen after doing a TPS reset. Just turn the idle screw CCW to your desired idle RPM, which should be around 1050-1150. I think its from not holding the throttle fully closed while doing the reset.

(Message edited by terrys1980 on March 25, 2010)
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Illbuell
Posted on Thursday, March 25, 2010 - 07:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
That doesn't help.. Its up and down with the rpms. Doesn't hold a smooth rpm at all. going to do the TPS reset again tomorrow. I took the air box off so I know the throttle is completely closed.
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Blake
Posted on Thursday, March 25, 2010 - 07:33 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
Sounds like a faulty reset. Got ECMSpy?
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Illbuell
Posted on Thursday, March 25, 2010 - 07:56 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
Whats that?
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Terrys1980
Posted on Friday, March 26, 2010 - 05:58 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
Do a little research on ECMSpy, download the tuning guide. The guide has step by step instructions for the TPS reset. PM me and I'll help you find the software if you feel you can do the reset.
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Illbuell
Posted on Friday, March 26, 2010 - 10:23 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
I just use the computer at the dealership..
But thanks anyway.: )
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Chainsaw
Posted on Friday, March 26, 2010 - 04:22 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
Sounds like a faulty reset. ...

I agree. Had the same symptoms a couple of weeks ago on mine, 'cause I didn't have the throttle closed all the way. New reset fixed 'er up.

I bought the Technoresearch software from a board sponsor back in 2004 that allows me to Rezero the TPS Sensor.

(Message edited by chainsaw on March 26, 2010)
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Kenney83
Posted on Friday, March 26, 2010 - 10:30 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
can you still get a copy of ECMSpy? They did shut down. If any one has a good link to down load it could you post it up please. Thanks
Kenney
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Blake
Posted on Wednesday, May 12, 2010 - 01:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
For the search engines:

For 2008 and later Buell twins TPS reset is built-in and very simple.

Buell TPS Reset/Rezero Procedure for 2008 & later Buell XBikes and 1125R/CR motorcycles:

The Buell TPS reset for 2008, 2009, or 2010 Buell twins is simple but requires that you precisely perform the following procedure, step-by-step, exactly as described:

0. Begin with the the ignition off, key out, and the run/stop switch in the "stop/off" position.

1. Switch the Run/Stop switch to the "Run" position.

2. Insert ingition key and turn it to the "on" position. Do not start or turn over the engine.

3. Rotate the throttle grip from the closed throttle position to the wide open throttle position hold for one second then rotate back to closed position and hold for one second. Repeat that exact throttle action two more times (three total open/hold-closed/hold cycles) holding the throttle grip gently against each stop for one full second.

4. Cycle the key off and back on.

You've just completed a TPS reset for your 2008 or later Buell motorcycle. Start your bike and ride.
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