Gsx-s 1000 2017 Power Commander V Jerking - Suzuki GSXS1000 Forum
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post #1 of 11 Old 10-06-2018, 09:45 AM Thread Starter
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Gsx-s 1000 2017 Power Commander V Jerking

Hello everyone. I just installed PCV + autotune + full open exhaust and exhaust valve eliminator. Bike runs amazing but when i riding at 1,2 gear with throttle fully cloces engine starts to jerking. It happening only with full closed throttle.
I adjust TPS senseor at 1,13V but power commander shows 1,11V. Mby there is a problem?
Do you have any advice for me?
Before install PCV and open pipe there was no jerking.
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post #2 of 11 Old 10-06-2018, 12:19 PM
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It might be to do with throttle fully closed "learned position".
In PCV software/tools there is a facility for resetting the closed position. It involves opening the throttle fully with the engine running (scary).
Also if you have altered the TPS setting the ECU can need to learn the new throttle closed position. Some do not think this is necessary, but I do it first using the Healtech OBD tool.then reset the PCV afterwards.
Then again I might be barking up the wrong tree altogether as I am no expert.

Blue Naked 2015 ABS model. PCV, Nitron Ntr-1 shock, MRA screen(modified) Puig crash bungs, HEL lines and EBC-HH pads, job done. (Riding since 1959.)
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post #3 of 11 Old 01-22-2019, 08:02 AM Thread Starter
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Ok. Tps were adjust perfect. When i back to stock exhaust manifold (with catalyst and box) the jerking ceased.
If i intall full open pipe jerking back.
The engine is jerking only when i ride with full closed throttle but the engine is pulling (like driving in a traffic jam or or commute to traffic lights).
Any tips for me?
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post #4 of 11 Old 01-22-2019, 10:01 AM
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I sorry I don't have any advice but I think one prominent member of this forum might....... His name is LEAVEITSTOCK.
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post #5 of 11 Old 01-22-2019, 07:40 PM
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no advice here...havent checked my tps since i bought my bike in 16....I just ride and enjoy every minute im on the beast
mike d likes this.
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post #6 of 11 Old 01-22-2019, 11:32 PM
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sounds like the throttle isnt actually closing, or the fueling isnt adjusted properly, i.e for the mtr to try accelerating with the throttle "closed, only idle fuel will / should be present, a proper exhaust header will suck exhaust gases out of eng, it will also accentuate any slight discrepecy with the fueling, suggest a proper dyno tune to fix
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post #7 of 11 Old 01-23-2019, 01:38 AM
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Has anyone tried to adjust the idle speed using the screw on yhe throttle bodies, this is actually the throttle stop and may be keeping the throttle open and not using the idle control valve and thisnmay become more obvious with open exhaust
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post #8 of 11 Old 01-23-2019, 09:35 AM
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Personally but it's up to you get a cat elminatoi pipe then have a remap I also fitted one of those plug in the air box sensor things to ritchen the mixture the bike rides good now the thing is I've had a few Italian bike's etc and the fuelling was good on those but you pay loads more for the bike, parts etc so it's a compromise get it best you can then blast the **** off it and overtake as many as those posers on their mega expensive ornaments long live the GSX1000

Last edited by WOLFIE; 01-25-2019 at 09:35 AM.
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post #9 of 11 Old 01-24-2019, 09:43 AM Thread Starter
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I got AutoTune to my Power Commander V. I set different afr values from 11 to 16. In no case did this solve problems with jerks.
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post #10 of 11 Old 01-24-2019, 07:47 PM
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i also have a pcv and autotune, the auto tune couldnt deliver enough fuel for my eng mods, leaned out mtr ... just saying its much better to get a dyno tune, then let the auto tune adjust for temp / altitude differences
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