NefMoto

Hello guys,

I would like to ask for a favor. I bought myself an Audi A3 1.8T from 2000 and I am not sure if it is chituned. As a starting point to play around with it I'd like to have the latest original software on it.

How can I figure out, if it is stock software? It identifies as 06A906032AS in Version 0004. I dumped the software and attached it. Could somebody check it for me? Or if it is simplier give me a stock file in version 0004 or newer?

Thanks.

Yogi

from what i see it looks pretty stock

Hello vdubnation,

thanks for the info and checking my file. :-)
Do you know if it is the newest version for this engine?

Yogi

Do you have map pack for this file ?

Sorry,
unfortuately I do not have. I tried the last hours to make a xdf-file for it by modifing from another 1,8t model, but I failed. The differences seem to big for me.
I used this one "Sander_AUDI_TT_2001_224hp_Q" from this forum, because there an xdf exists from another member. But I am beginner.

Yogi

 

maybe try with this it is similar ecu

Audi TT 1.8T ATC 180HP 8N0906018S 0261206582 352751 OLS
http://nefariousmotorsports.com/forum/index.php?topic=1665.0title=

Think, this one should suit

I think it doesn't suit ?

I will reply but give me some time. I have to learn a lot and actually I am fighting with this .dam files...
But playing with this stuff is fun :-)

By the way, from what I see at the moment:
The 8N0906018S ATC 180hp and my 06A906032AS ARZ150HP seem to be very similar. ATC has more power, some map adresses differ a little bit, but from what I see is the main difference between this engines only the LDRXN-map. The ATC also seems to habe the KKK K03 loader.
Would it be possible to copy that LDRXN-map into my 06A906032AS file, correct chechsums, flash it and enjoy 30hp more in my car? Does abody know more differences?

Yogi

Sorry, I does not fit.

Best match is still Audi TT 1.8T ATC 180HP 8N0906018S 0261206582 352751 OLS frm gregor10. Some 3d map differ a little bit in adress locations.

Yogi

Sorry, I was wrong. The file seems to fit. I did an error with the damos import, but now it looks good! :-)
thank you!!!

Yogi

Okay guys,

thanks for your help. I was able to open, check, compare and modify my file with others. perfect :-)

By doing this I got an idea. The ARZ 150HP and ATC 180HP engine seem to be very similar. So I decided to compare both files and the only difference I found where the maps for LDRXN and LDRXNZK. From my research the turbochargers seem to be the same...KKK K03.

So I copied the ATC maps for maximum specified load into my ARZ file and corrected checksums. It will be tested tomorrow on my car.

The resulting file comes here.

Yogi

Good start with tuning. But be aware of potential risks. So log CR (knock sensors) , fuel trims, boost and the rest.
You should also copy the fuel maps-  kflbts , kfddlbts maps which, because 180hp maps would be different as usual.

Also you should check afr using wideband lambda to make sure that you aren't run lean.

Good luck

Hi,

I followed gregor10's hint and he was right, there where als differences in kflbts , kfddlbts maps.

Here comes the fix. Test in Germany is delayed because of snow and summer tires ....  ::)

Yogi

Okay, update,

waether is better and test is done. Software-mod to 180HP runs good, but on high load at 180km/h there is a slight power drop. I flashed back to stock-rom, same problem.... I think that MAF-sensor is faulty, because on full pull it only goes to 105 g/s. I ordered a new one, we will see if it solves the problem. I will go on with testing, if this problem is solved.

Yogi

try to run it with the maf unplugged and see if it comes up

I think there is more going on in that engine... I yust bought it and I want to fix it properly before I will go in with testing the software-mod. It throws Lamda-Error, I replaced Lambda-Sensor already. There was also a broken tube. Still Lambda error and very low MAF-values. Tomorrow I will install a new MAF-Sensor because the sensor plate looks very bad. And because of the lean mixture and resulting high EGT , no the exhaust manifault is cracked   :-\

I will report next week, after I finished the repairs.

Yogi

150hp maf should read 125g-135/s, 180hp maf reads 149-155g/s  so yours is dead.

Update....

new MAF installed, car runs better, but not perfect. MAF values are okay now, but still lambda error under load (it runs lean). Sensor is okay and idle also.

I did a pressure check with 1.5 bar on the boost system. Found 2 leaks ... intake manifold-gasket and tubing to the breake-system
There is also a pneumatic boost valve, which is leaking...

I will report, when the repairs are done... Almost an engine overhaul :-)

Yogi

Hi, now I am making progress.

Now I fixed my leaks, replaced the boost valve and the blown exhaust manifold seals. Now car runs perfect, Lambda-values are okay, no knocking under high loads, boost control works perfect.

At this starting point I installed the modded file on ME7.5 with the 180HP TT-mapping. It runs perfect. Car drives much better and no problems under high load. no kocking and it doesn't go lean. boost is stable in MWB 115

So much power in a small car like this is perfect. :-)  ;D ;D ;D

Thanks for your help everybody!

Yogi

I'm sorry for reviving the thread, but I have a question regarding the file attached in this post http://nefariousmotorsports.com/forum/index.php?action=dlattach;topic=3472.0;attach=5782
Can I Flash this into my stock ARZ ecu and enjoy extra 30hp? Will it Flash and start with no problems? The author stated it worked just fine for him(the above post), I have even contacted him to ask for permision to use this but it seems he not visited the forum since December 2017.