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Author Topic: Nefmoto community project: Stage1 1.8t ME7.5 A4 (8E0909518AK-0003)  (Read 288404 times)
SB_GLI
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« Reply #45 on: October 08, 2014, 10:51:52 AM »

Can you post the actual log, and some plots vs RPM?

see post 40... Although I am not really sure what's more to get out of this log with the fueling the way it is.
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thelastleroy
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« Reply #46 on: October 08, 2014, 11:16:20 AM »

Im going to flash the stock file back today and log for a comparison
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nyet
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« Reply #47 on: October 08, 2014, 11:19:34 AM »

Log lamfaw_w and lamfaws_w

http://nefariousmotorsports.com/forum/index.php?topic=2637.0

I'm guessing the problem is TLAFA, which is zero in the stock 2.7t file but may be non-zero in the file you are tuning.
« Last Edit: October 08, 2014, 12:36:56 PM by nyet » Logged

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SB_GLI
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« Reply #48 on: October 08, 2014, 02:44:11 PM »

Log lamfaw_w and lamfaws_w

http://nefariousmotorsports.com/forum/index.php?topic=2637.0

I'm guessing the problem is TLAFA, which is zero in the stock 2.7t file but may be non-zero in the file you are tuning.

I think it's KFTLAFA in this file which is a map rather that a single value.  A single value would just delay the onset of krkte, but then it would drop right to your values in the table, which is not the case here.

So, we just have to find KFTLAFA.  Smiley

http://nefariousmotorsports.com/forum/index.php?topic=4254.0
« Last Edit: October 08, 2014, 03:01:36 PM by SB_GLI » Logged
ddillenger
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« Reply #49 on: October 08, 2014, 02:53:51 PM »

KFTLAFA_0_A 195F9
KFTLAFA_1_A 19629

8x6
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nyet
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« Reply #50 on: October 08, 2014, 03:03:50 PM »

A single value would just delay the onset of krkte, but then it would drop right to your values in the table, which is not the case here.

Newp, you still have to deal with ZK....
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ddillenger
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« Reply #51 on: October 08, 2014, 03:21:22 PM »

Newp, you still have to deal with ZK....

ZKLAMFAW: 26EC0
KFZKLAMFAW_0_A: 26D88
KFZKLAMFAW_1_A: 26DE8
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SB_GLI
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« Reply #52 on: October 08, 2014, 04:12:45 PM »

Does this look at all accurate for the shown maps?

KFTLAFA looks right
ZKLAMFAW might be right
KFZKLAMFAW looks way wrong

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A4Rich
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« Reply #53 on: October 08, 2014, 08:51:46 PM »

Does this look at all accurate for the shown maps?

KFTLAFA looks right
ZKLAMFAW might be right
KFZKLAMFAW looks way wrong



I am no expert, not even sure what the values look like for these maps... but I went back to the 518AQ bin file posted in the thread referenced in post #48  (thought the values maybe the same with the later 518 ecus) and defined the maps at the locations given. Huh

Edit: Can't seem to revise the attachment but KFZKLAMFAW_1_A is at 26DE8 and not 26D88 as labeled.  Also ZKLAMFAW is at 26EC0 and not 26F10 as labeled.
« Last Edit: October 09, 2014, 10:42:28 AM by A4Rich » Logged
thelastleroy
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« Reply #54 on: October 09, 2014, 03:28:55 AM »

Log lamfaw_w and lamfaws_w

http://nefariousmotorsports.com/forum/index.php?topic=2637.0

I'm guessing the problem is TLAFA, which is zero in the stock 2.7t file but may be non-zero in the file you are tuning.
I couldn't get the logger to to start yesterday, I'll try again this afternoon so we have a stock file to compare to.

Nyet: did you want lamfaw & lamfaws logged on the stock file or modified file?

As far as defining the new maps goes, I'll leave it to the more experienced users. I'm just not there yet.
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SB_GLI
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« Reply #55 on: October 09, 2014, 04:32:23 AM »

I couldn't get the logger to to start yesterday, I'll try again this afternoon so we have a stock file to compare to.

I suspect that you couldn't get the logger to start because your stock file is a different software version.  You will need to create a new ECU file based off your stock bin for ME7Logger to work.

And yes, log the same variables in the stock file as the tuned file.  You can use the same logger config file for both ecus, just need a different ecu file.
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thelastleroy
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« Reply #56 on: October 09, 2014, 04:49:24 PM »

New logs!

I added lamfaw_w and lamfaws_w to the log config, and did pulls with the stock AND modified files on the same stretch of pavement. Hopefully it will shed some light on the situation.

I'm still learning how to read the logs to find out what's going on, but I can tell you that the modified file is much more fun to drive Grin. It was kind of a bummer to get the stock file back on the car. I've got a long road-trip this weekend for thanksgiving (about 3 hours drive), so I think I'll leave the stock file on there until after the long drive. Once the tune is a bit more refined (and proven over time) I'll feel more comfortable. My commute to work during the week is 15mins or less, so if there are any long-term problems with the tune, I wouldn't know. Last thing I need is an overheat or something like that 2 hours from home with the wife and kids!   Shocked

Let's keep this rolling, who has suggestions about what's next based on the logs? Need more data? I'll do more logs!

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nyet
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« Reply #57 on: October 09, 2014, 04:57:33 PM »

That looks REALLY good. I can't find much to criticize. Good job!

Honestly, it looks very safe to daily drive it.

Minor nits:

BTS is still kicking in, might consider numbing it some. LAMFA is still coming in a bit late, ZK could be toned down further.
« Last Edit: October 09, 2014, 05:01:16 PM by nyet » Logged

ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

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 experience.
thelastleroy
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« Reply #58 on: October 09, 2014, 05:01:45 PM »

WOW Grin

That IS good news. I always thought my A4 was a good runner in stock form. I suspect the mechanical is in good shape. I've got a front-mount to install this winter when I have time, should help out a bit with the IATs. Are we going to call fueling and boost good then for now?

You will have to forgive my ignorance, I am very much new to this. What adjustments are necessary to bring lambts and zklamfaw into check?

« Last Edit: October 09, 2014, 05:08:23 PM by thelastleroy » Logged
nyet
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« Reply #59 on: October 09, 2014, 05:02:46 PM »

WOW Grin

That IS good news. I always thought my A4 was a good runner in stock form. I suspect the mechanical is in good shape. I've got a front-mount to install this winter when I have time, should help out a bit with the IATs. Are we going to call fueling and boost good then for now? What's next?

Sorry, added some nits to my post just now Smiley

Fueling still needs some help. Might be able to add a bit of timing.
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

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 experience.
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