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Discussion Starter #1
Hey Everybody,
I had bought the ftecu bike side kit and have installed their maps and like others it hasn't gotten me to where I want to be. What I am trying to solve is the low rpm "hunting" or "chugging and of course the throttle surge. Since i have the software I could get it dyno'd directly to the ecu using the ftecu software. I have a shop local to me that does dyno work, but, because they do each cylinder independently, I'm looking at $800-$1000! More than I'm willing to pay after the money I've spent.
My thought is that if the booster plug just adds a couple of percent of fuel, could I just do that myself with the ftecu software I have?
I know I could buy a used ecu and send it to Dano's, but, that's another $450 or so.
Another thought is to just buy a booster plug and install that.

So far I have:
Installed a throttle tamer. Worth the money
Removed the pair valve. Didn't notice much difference.
Installed FTECU map. Some improvement.

Any thoughts would be appreciated.
 

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I don't see TPS adjustment there. Have you done that FIRST???

One guy had issues with FTECU, many others have had good results, myself included.
 

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Discussion Starter #4
Forgot to mention tps adjustment. Did that first. I’ve been following this forum since 2016. I was mostly wondering if I could be doing damage by adding say 2% fuel across the range with my ftecu software. Don’t think I’ll do it. No tuning experience.
 

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Gotcha, wanted to make sure you got the "Free" one done before throwing more money at it. Your ECU isn't in the recalled range is it? IIRC, it wasn't the snatch that got the recall but the hunting chugging thing you mention.
 

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I have a ecu with Dano’s tune already in it for sale in classifieds. Your last 5 digits need to match what I have for sale or it’s a no go on that.

I have it priced below what it’s worth. I’ve went down the FTECU road. It did not work for me same issue you are having. Two strikes with them and they never could get it right. Now my ecu is locked which forced me to buy and ecu and have Dano flash it. Unfortunately i bought the wrong ecu first go around and it’s the one I have for sale. I have another ecu currently at Dano’s beimg flashed and on its way back to me next week. It’s suppose to be the match for my bike. I hope so as I’ve sunk over $700 into this issue so far not counting the $220 I threw at at FTECU for basically nothing.
 

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Bemil, I read your post and cringed as Roy826 has traveled the path you are on and it is a nightmare. Is your ECU "locked" by the FTECU or can you still have it flashed? If it is locked, you are stuck and there is no easy way out. That was Roy826's issue - locked ECU by FTECU so he couldn't do anything with it (other than the dyno tune for nearly a $1000.) Not cool. But he is on the right path now. He bought an ECU that matched his bike’s unit, and he has it at Dano’s Performance in CA to be flashed.


Sadly, the first ECU he bought did NOT match his bike’s setup, but he didn’t know that until he had it flashed and installed it. He has that ECU up for sale. If your bike shares that ECU number (32920-04K90) then you are in luck! Go here and buy this ECU. It already has the Dano’s flash in it:
https://www.gsxs1000.org/forum/suzuki-gsxs-1000-parts/43175-sale-danos-flashed-ecu-32920-04k90.html
 
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