Otrabajo
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« on: February 27, 2016, 12:20:12 PM »
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guys,
i live in a nice weather mediterranean village were the winter is really not very cold. I would like to reduce the warming up RPM from 1200 to 1000. I've been reading the Audi S4 tunning wiki but still it's not clear to me how to do it.
I'm happy with my idle RPM speed, between 800-850 RPM. But when turning on my car in the garage, it's running 1200 RPM during almost two minutes. So 1000 RPM would be okay for me instead of 1200 RPM.
any help about where to touch in WinOLS or Tunerpro?
thank you in advance.
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vwaudiguy
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« Reply #1 on: February 27, 2016, 04:09:38 PM »
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I believe KFNLLNST is the droid you're looking for.
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"If you have a chinese turbo, that you are worried is going to blow up when you floor it, then LOL."
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Otrabajo
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« Reply #2 on: February 27, 2016, 10:23:34 PM »
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I believe KFNLLNST is the droid you're looking for.
yeah, but how to locate it? i'm using the Audi S4 wiki XDF definition file with my .bin file but not able to locate KFNLLNST memory address. Can you provide any pattern for KFNLLNST? thank you |
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vwaudiguy
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« Reply #3 on: February 27, 2016, 11:13:10 PM »
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Post your file, and I'll take a look.
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"If you have a chinese turbo, that you are worried is going to blow up when you floor it, then LOL."
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ddillenger
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« Reply #4 on: February 28, 2016, 12:15:31 AM »
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Sure it's not catalyst heating? Set CWKONABG to 0 (it's the only 05 value in the codeword block, with a 33 next to it).
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Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience!
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Otrabajo
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« Reply #5 on: February 29, 2016, 05:52:51 AM »
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Post your file, and I'll take a look.
there your are  |
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vwaudiguy
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« Reply #6 on: February 29, 2016, 11:56:08 AM »
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I believe the location D's talking about is @ 181B8, although it's one byte over from 33, if not then it's already set to 0. I don't have the location for KFNLLNST, sorry. Also, the file you posted has incorrect checksums... That map I mentioned is based on coolant temp, and if like you said it never get's cold I would try D's method first.
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« Last Edit: March 01, 2016, 03:13:08 PM by vwaudiguy »
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"If you have a chinese turbo, that you are worried is going to blow up when you floor it, then LOL."
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Otrabajo
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« Reply #7 on: February 29, 2016, 12:11:47 PM »
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I belive the location D's talking about is @ 181B8, although it's one byte over from 33, if not then it's already set to 0. I don't have the location for KFNLLNST, sorry. Also, the file you posted has incorrect checksums... That map I mentioned is based on coolant temp, and if like you said it never get's cold I would try D's method first.
vwaudiguy, yes, i know the checksum is not correct. I usually apply checksums just before burning out the eeproom with MPPS. But the .bin file i uploaded is my current one and the car works pretty well. The problem is that i don't understand ddillenger answer. I know he's an expert in ECU tunning, but my skills are not so advanced. Sorry guys. would you please clarify a bit more the already provided advice? I just want to keep the warming up variables untouched except the RPM's raising to 1200. It's stressful having the 3.0 ASN running at 1200 rpm inside the garage. a big thanks from the south of Europe. |
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vwaudiguy
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« Reply #8 on: February 29, 2016, 02:01:53 PM »
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He's suggesting 0'ing that variable to disable the cat warming function, which could be the source of your high idle on startup.
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"If you have a chinese turbo, that you are worried is going to blow up when you floor it, then LOL."
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Otrabajo
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« Reply #9 on: March 01, 2016, 01:29:27 PM »
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vwaudigu & ddillenger
high idle RPM disabled by just zeroing the CWKONABG address. Now starting cold at 850 RPM and working pretty well.
again, thank you guys
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ddillenger
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« Reply #10 on: March 01, 2016, 01:38:11 PM »
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No problem.
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Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience!
Email/Google chat:
DDillenger84(at)gmail(dot)com
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nyet
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« Reply #11 on: March 01, 2016, 02:02:38 PM »
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No problem.
Hmm should I add this to the wiki? I have seen several different cars with various cold start fueling issues related to either SAI or cat heating, or both. |
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ME7.1 tuning guideECUx PlotME7Sum checksumTrim heatmap toolPlease do not ask me for tunes. I'm here to help people make their own. Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
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ddillenger
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« Reply #12 on: March 01, 2016, 03:03:40 PM »
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05=catalyst heating strategy, SAI
01=catalyst heating strategy, no SAI
00=no catalyst heating
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Logged
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Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience!
Email/Google chat:
DDillenger84(at)gmail(dot)com
Email>PM
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vwaudiguy
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« Reply #13 on: March 01, 2016, 03:12:22 PM »
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Happy to help, glad you got it sorted.
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"If you have a chinese turbo, that you are worried is going to blow up when you floor it, then LOL."
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prj
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« Reply #14 on: March 02, 2016, 12:03:01 PM »
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If you are in the US you might have issues passing readiness with that codeword set to 0.
Just saying.
Not relevant to the OP, but if anyone else decides to do this.
If you don't care about readiness (you are outside the US) then always set this codeword to zero. No SAI, no fuel dump, no borewash, no stupid idle.
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