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Author Topic: Nefmoto community project: Stage1 1.8t ME7.5 A4 (8E0909518AK-0003)  (Read 569628 times)
R.Spec
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« Reply #585 on: April 15, 2016, 10:34:33 AM »

Alright, so I was able to cross flash this to my ecu ending in AF. Worked like a charm and the car started right up. I lowered my desired afr slightly due to always tuning cars on the safer side, and we have crap gas around here 91 octane. 3rd-5th gear were boosting pretty good and felt fairly decent. Hitting about 13-14psi depending on starting load. However the vehicle is requesting way too much desired boost in 1st and 2nd gear. Close to 30psi, absolutely unsafe and making knock voltage off the charts  Shocked. All in all, i have worked with multiple PID style controllers in the past on different standalones, boost controllers etc. But I am having trouble finding the maps to adjust the settings. A little help would be appreciated.

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SB_GLI
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« Reply #586 on: April 15, 2016, 11:06:29 AM »

I think you are looking at your log incorrectly.   ME7 will only ever request up to ~2550mbar max, that's 22.5psi at sea level. 

You log shows a max boost request of around 15psi.
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R.Spec
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« Reply #587 on: April 15, 2016, 11:31:54 AM »

I think you are looking at your log incorrectly.   ME7 will only ever request up to ~2550mbar max, that's 22.5psi at sea level. 

You log shows a max boost request of around 15psi.

Am I incorrect in believing that mbar = millibar?

because I am seeing 2020 mbar being desired. and 2020mbar = 29.2psi
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Lost
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« Reply #588 on: April 15, 2016, 01:26:11 PM »

Thats icl atm pressure. So boost is around 1 -1.1 bar
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R.Spec
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« Reply #589 on: April 15, 2016, 01:51:11 PM »

Thats icl atm pressure. So boost is around 1 -1.1 bar

<3 Thank you. absolute pressure. So it's just manifold pressure. Not actually boost (the addition of forced induction upon atmospheric). So I understand that. Now, my own logger through the torqued app shows 19-20psi under boost on throttle in 1st and 2nd gear. Is that also incorrect. What does the car push for stock boost (because I used to see 7-8psi)?
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SB_GLI
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« Reply #590 on: April 15, 2016, 07:19:56 PM »

based off your log, your smart phone app is wrong.  Do you not have a mechanical gauge?
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overclockedpc
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« Reply #591 on: May 02, 2016, 01:26:20 AM »

So, let me ask a dumb question here. 

If we change LDRXN values, what other tables need to be modified to cope with the changes? I presume the ECU will try to fix things if one or more tables aren't changed to match LDRXN changes, correct?
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nyet
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« Reply #592 on: May 02, 2016, 11:01:47 AM »

If NO hardware is different from stock, you can't just change LDRXN and expect anything to work... in particular, KFLDIMX
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ME7.1 tuning guide
ECUx Plot
ME7Sum checksum
Trim heatmap tool

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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
royce5950
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« Reply #593 on: August 04, 2016, 04:50:33 AM »

I'm guessing oc pc probably had downloaded the community project and wanted to tweak the file in order to provide himself with higher boost. But I could be wrong  Huh
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black
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« Reply #594 on: August 07, 2016, 07:37:16 AM »

the XDF files here contain KFDLULS. But in AK there is no KFDLULS.

KLDLUL is at address: 27F47 (*5) and x-axis at address: 27F3F (*10 sign)



« Last Edit: August 07, 2016, 01:28:49 PM by black » Logged
nyet
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« Reply #595 on: August 07, 2016, 11:42:49 AM »

I'm guessing oc pc probably had downloaded the community project and wanted to tweak the file in order to provide himself with higher boost. But I could be wrong  Huh

In that case, no, simply changing LDRXN would not be a good idea

1) the community file already requests a peak boost near the stock MAP limit
2) the high RPM boost req is already close to stock injector max capabilities
3) if actual boost is not meeting request, changing LDRXN is not the correct fix.
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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
TheCream
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« Reply #596 on: August 10, 2016, 09:47:04 PM »

I am trying to sort out maps in WinOLS. I am using an lp/pl.xdf. I have attatched a screencap of 2 hexdumps. On the left is the 032RN.bin (6-speed GLI). On the right is the 032lp/pl.bin(5speed GTI). How do I select the map in gray as that is the correct address for the LAMFA map on the 023rn.bin. Is there a way to change the factor or offset for the entire hexdump to align the 2 maps? Or is there a way to make the map manually? I want to find the maps in the rn file so I don't have to mess with finding the gearing maps to set the correct properties for my 6speed.

EDIT: I should add that when I switch to 2d, it shrinks the view, and when I try to make the map selection, it selects the pre-made map, not my selection. I was using this as a reference, and cannot get it to work properly. https://sites.google.com/site/vagecumap/winols-guide

« Last Edit: August 10, 2016, 10:09:27 PM by TheCream » Logged
k0mpresd
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« Reply #597 on: August 10, 2016, 09:52:28 PM »

I am trying to sort out maps in WinOLS. I am using an lp/pl.xdf. I have attatched a screencap of 2 hexdumps. On the left is the 032RN.bin (6-speed GLI). On the right is the 032lp/pl.bin(5speed GTI). How do I select the map in gray as that is the correct address for the LAMFA map on the 023rn.bin. Is there a way to change the factor or offset for the entire hexdump to align the 2 maps? Or is there a way to make the map manually? I want to find the maps in the rn file so I don't have to mess with finding the gearing maps to set the correct properties for my 6speed.

this is covered in the ols help manual. "k" is the answer btw.
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royce5950
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« Reply #598 on: August 13, 2016, 08:02:02 PM »

In that case, no, simply changing LDRXN would not be a good idea

1) the community file already requests a peak boost near the stock MAP limit
2) the high RPM boost req is already close to stock injector max capabilities
3) if actual boost is not meeting request, changing LDRXN is not the correct fix.

There you have it! He put it down more clear than a VVS Diamond!
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cgramme
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« Reply #599 on: August 22, 2016, 07:00:16 PM »

I have been reading over nefmoto everyday for about a month now and would first like to thank everyone for their contributions. I was hesitant to flash the AK.bin in replacement of my AF.bin (2003 A4 1.8t quattro tiptronic), so I read along and made changes to my ecu's original file as I went. Eventually, I decided to screw it and just flash the nefmoto community file over because I was having trouble finding all the .xdf addresses I wanted. The AK.bin transferred over smoothly and the car has been running well since.

I may have a leaking fuel injector because I was recently running a MBC\MAP diode, however, I have since reverted back to stock(n75\removed diode). I was running way to much boost (16-18psi) for my stock injectors and I probably f'd one or more up while running the mbc. I now have a rough start, but everything runs well after the second crank. Everything runs well that is except for the deviation in AFR which you can see in my logs. Also I believe cylinder 3 knock is a little erratic and may be the culprit for the bad injector. Needless to say I have already decided to go for the 550cc EV14 injectors and will be ordering them this month. When I install the new injectors I plan on contributing to the 1.8t stage2 post here on nefmoto.

My car is stock with an exception of a short ram intake\custom heat shield. I live in Atlanta GA and the weather has been high 90s for the last couple months so heat soak is always a HUGE problem. Logs attached are using the nefmoto_stage1_tuned.bin.

Cheers
« Last Edit: August 22, 2016, 07:08:59 PM by cgramme » Logged
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