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Author Topic: A4 B6 1.8T K04-15 Returnless Closing throttle after 150g/s  (Read 4796 times)
error1997
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« on: November 12, 2019, 12:07:54 AM »

Hello, all
Firstly I would like to appogise for the vagcom logs and cracked ols  Grin . Recently I tried to tune k04-15 but ran into the issue of closing throttle .
Of course I read all the topics about the same problem but all of them had severe overboost . Mine doesn't , at least from what I can tell from the logs .
I tried stupid things like modifying KFWDKMSN and its inverse but to nobodies surprise it did not help . Also tried maxing KFLDHBN , KFDLULS and zeroing correction from KFTARX , again no results .
The only correlation that I think I have found is that after 150g/s the throttle closes , does not depend on rpm , iat or boost . I may be wrong though .
Logs and ols attached below , any help would be appreciated
« Last Edit: November 12, 2019, 12:10:38 AM by error1997 » Logged
BlackT
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« Reply #1 on: November 12, 2019, 12:30:35 AM »

Bad tuned KFMIRL and KFMIOP
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fknbrkn
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mk4 1.8T AUM


« Reply #2 on: November 12, 2019, 01:00:12 AM »

Lol never saw 120c iat before
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error1997
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« Reply #3 on: November 12, 2019, 02:32:21 AM »

Bad tuned KFMIRL and KFMIOP
How should I tune them ?From what I know KFMIOP should be inverse of KFMIRL and vice versa . I use excel to calculate KFMIOP to be inverse of KFMIRL , and it is correctly working (calculated KFMIOP from a stock file has a percent difference below 1% for the most part , pic attached below) . Also the request of load in KFMIRL is high enough . 

Lol never saw 120c iat before
Bad dyno cooling FTW
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soul87
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« Reply #4 on: November 12, 2019, 02:49:25 AM »

what was the reason of editing

KFWDKMSN
KFMSNWDK
KFDMDARO
KFDMDAROS
KFDMDADP
Huh

KFMIOP and KFMIRL looks good.
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error1997
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« Reply #5 on: November 12, 2019, 03:47:45 AM »

what was the reason of editing
KFWDKMSN
KFMSNWDK
KFDMDARO
KFDMDAROS
KFDMDADP
Huh
KFMIOP and KFMIRL looks good.

Desperate times require desperate measures or in other words I had wrong understanding of them .
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BlackT
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« Reply #6 on: November 12, 2019, 04:17:58 AM »

Why don't you use Me7logger?   
Is that file from first post your stock file, or the file you are using right now?
As I can see from this poor VCDS log, there is a tourqe invertion, what is often caused by bad tuned KFMIRL and KFMIOP
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soul87
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« Reply #7 on: November 12, 2019, 04:30:39 AM »

Revert back to stock not needed maps.  Flash it, send me the file that You flashed and send me the logs, (You can send it by PW - VCDS logs for me are ok )

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error1997
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« Reply #8 on: November 12, 2019, 07:10:57 AM »

Version 7 is for LOG-110-115-118
Version 8 is for LOG-110-114-2

Why don't you use Me7logger?   

The car is at a another town , and I use a friend to flash and log it , did not bother to explain me7logger to him , though vcds would be enough for tune for k04
« Last Edit: November 12, 2019, 07:13:03 AM by error1997 » Logged
nyet
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« Reply #9 on: November 12, 2019, 08:29:22 AM »

though vcds would be enough for tune for k04

It isn't.
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ME7.1 tuning guide
ECUx Plot
ME7Sum checksum
Trim heatmap tool

Please 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
nyet
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« Reply #10 on: November 12, 2019, 08:30:39 AM »

Desperate times require desperate measures or in other words I had wrong understanding of them .

Revert everything to stock that you do not understand.
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ME7.1 tuning guide
ECUx Plot
ME7Sum checksum
Trim heatmap tool

Please 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
sonique
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« Reply #11 on: November 12, 2019, 11:00:39 AM »

problem run out the injector and very high iat
fix this problems and try again
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Blazius
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« Reply #12 on: November 12, 2019, 11:41:37 AM »

Lol never saw 120c iat before

Really? Thats like half of self ignition temp for gasoline lol
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nyet
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« Reply #13 on: November 12, 2019, 11:49:48 AM »

yea i'd say that iat sensor is hosed, unless thats F Smiley
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ME7.1 tuning guide
ECUx Plot
ME7Sum checksum
Trim heatmap tool

Please 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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