GS-911 and ezCAN User Forum
General Category => Technical => GS-911 => Engine related issues => Topic started by: dihoward on February 20, 2016, 10:02:26 PM
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I recently put a power plug on a 2009 R1200GS. The bike still dies rolling to a stop. Will the GS911 reset the TPS ?
suggestions welcome.
GS BOXR
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I have a 2003 K1200 GT, to reset the TPS I turn the key to on, kill switch on, rotate the throttle fully three times and return it to rest. Turn the key off. The TPS is now reset. No need for the GS 911.
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I think you will find the TPS constantly recalibrates and the twist throttle 3 times applied to very old models
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Sounds like the OP has an issue with stalling. A TPS might help solve that, a GS911 is not needed for that. It could be the idle bypass controllers being out of synch, a GS911 can reset those.
It could be one or more of a few other things. In no particular order:
A coil breaking down.
A trapped throttle cable.
Bad spark plug (s).
Someone adjusting the factor set throttle stops.
Valve clearances way out.
I would go the easy one of checking the cables, especially the rightbhadone Then do the standard TPS reset procedure; check the valve clearances and if you have GS911 reset the idle bypass adaptation.
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Please elaborate on the idle bypass adaptation. What is the function?
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I think you will find the TPS constantly recalibrates and the twist throttle 3 times applied to very old models
Correct. TPS is reset each time you cycle the ignition.
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Please elaborate on the idle bypass adaptation. What is the function?
The idle bypass controllers Are the electrical devices on your throttle bodies on the top side nearer the engine. They have some form of sensor built-in to indicate their exact positioning. The ECU says "go to position X" so they need to know where zero is, and when they are exactly at position X. Sometimes they lose track of zero and so where they are. Resetting their adaptation is a function on the gs911 that sends the controllers through a few routines to relearn their zero positions and their full range.
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The stalling could also be caused by a failing lambda sensor.
I have found that a failing sensor may not throw an actual fault. The real-time output values may be constantly on the rich or weak side of stoic as the sensor is starting to fail. It can take long time before it actually stops working.
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