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Author Topic: ME7.5 Swap VVT and SAI delete  (Read 10555 times)
zCruuz
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« on: August 05, 2021, 12:41:45 AM »

Hi,

i swapped my Golf MK4 1.8t AGU from M3.8.3 to 06A906032FC ME7.5  from an AUM.
I did not install AUM Camshafts, VVT, N249, SAI (N112 & J299)

I read the s4wiki and came to the conclusion:

-For SAI i need to change MSLUB(0x1A698), MSLBAS (0x183CC) and CWKONABG (no address mentioned?) to 0 and change slv and slp to 11.
-VVT i think i need to make KFZW and KFZW2 to 0?
-N249 delete ist just eskonf?

i used the eskonf detection tool to search for them. But now i dont understand how to change them?
Car is running really bad with activated VVT

May anyone can help me. I included my Flash File


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fknbrkn
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mk4 1.8T AUM


« Reply #1 on: August 05, 2021, 01:37:55 AM »

Its better to pay someone in your case

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_nameless
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« Reply #2 on: August 05, 2021, 05:34:27 AM »

Hi,

i swapped my Golf MK4 1.8t AGU from M3.8.3 to 06A906032FC ME7.5  from an AUM.
I did not install AUM Camshafts, VVT, N249, SAI (N112 & J299)

I read the s4wiki and came to the conclusion:

-For SAI i need to change MSLUB(0x1A698), MSLBAS (0x183CC) and CWKONABG (no address mentioned?) to 0 and change slv and slp to 11.
-VVT i think i need to make KFZW and KFZW2 to 0?
-N249 delete ist just eskonf?

i used the eskonf detection tool to search for them. But now i dont understand how to change them?
Car is running really bad with activated VVT

May anyone can help me. I included my Flash File



1 post asking for free handouts ? Also, that wouldn't make the car run poorly only mil. You have other problems. Good luck!
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zCruuz
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« Reply #3 on: August 07, 2021, 03:46:30 AM »

You were right. There was already software done on this ECU, which i didnt knew. B

In my opinion it was a simple yes/no question.
But since ur feelings got hurt, please forgive me.



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Blazius
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« Reply #4 on: August 07, 2021, 04:53:35 AM »

Why would you ever wanna delete VVT, just add the tensioner, and tune it with VVT, its probably the best cost effective power 'adder' if you do it right.
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zCruuz
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« Reply #5 on: August 09, 2021, 12:18:38 AM »

Why would you ever wanna delete VVT, just add the tensioner, and tune it with VVT, its probably the best cost effective power 'adder' if you do it right.

The Problem is, i bought harness from yunkjard. And being an complete "genius" i got the circuit diagrams from VW and stripped everything out cause i thougt "AGU doesnt have this i wont need/want this bullshit".
So there are no wires to connect VVT to.

I got it working to the point, where VVT dtc does not show up by just doing eskonf.
For SAI and N249 i think i need more then i originally mentioned. Tried it, but car revvs laggy and slow when pushing throttle with maxing at 1500rpm.
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Sandstorm3k
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« Reply #6 on: August 09, 2021, 01:20:53 AM »

Well you are probably now running AUM software on an AGU setup if i would be correct. Have you swapped injectors?

Also on a k03s map k03 turbo will run like shit.
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BlackT
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« Reply #7 on: August 09, 2021, 03:41:32 AM »

So you guys say that VVT is big power upgrade? Any evidence about that.
I have never seen/feel that VVT will make too much difference. If you ask me it is not wort to spend time and money on that upgrade.
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Sandstorm3k
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« Reply #8 on: August 09, 2021, 04:05:07 AM »

So you guys say that VVT is big power upgrade? Any evidence about that.
I have never seen/feel that VVT will make too much difference. If you ask me it is not wort to spend time and money on that upgrade.

I've got no evidence, but a friend of mine swapped his AUQ engine for an AJQ and I mapped out his VVT because of no tensioner. I really can't feel a difference in power, and i don't believe this VVT to be anything like VTEC but to be honest i haven't looked too much into it anyways.
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prj
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« Reply #9 on: August 09, 2021, 06:19:48 AM »

So you guys say that VVT is big power upgrade? Any evidence about that.
I have never seen/feel that VVT will make too much difference. If you ask me it is not wort to spend time and money on that upgrade.
The standard K03 is so small that it almost doesn't matter.
But if you have even a K04 the difference in spool is 200+ RPM. Even more pronounced with a bigger turbo.

The only thing is that this is wasteful for fuel because it's dumping some of that straight through the engine.
All the newer cars with DI use something called "scavenging", which is essentially the same technique, except because the injection is direct, you can do it without dumping fuel out the exhaust.

By bypassing more air through the engine with overlapped cams you create more flow on the turbocharger and this is vital to improving spoolup.
« Last Edit: August 09, 2021, 06:21:19 AM by prj » Logged

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zCruuz
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« Reply #10 on: August 09, 2021, 02:25:03 PM »

Well you are probably now running AUM software on an AGU setup if i would be correct. Have you swapped injectors?

Also on a k03s map k03 turbo will run like shit.

-Turbo is already K03s upgrade
-Injectors are not swapped, i bought 440cc waiting for them to arrive. till then i'll run agu ones with KRKTE adapted
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6n2gti
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« Reply #11 on: December 28, 2021, 06:13:49 AM »

I was also wondering what the best way is to code out vvt? I used this solution http://nefariousmotorsports.com/forum/index.php?topic=12688.0 . It worked for me, no dtc. But not sure if this the way to code out/delete vvt. I have a auq(032mj) ecu
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zCruuz
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« Reply #12 on: December 28, 2021, 07:49:13 AM »

Ok I think ive managed it.
CDNWS at 181AF and changed to 0.
KFNWSE at 173FB whole table set to 18.
ESKONF at 10BED: AA FF 00 30 FF FB 3C changed to AA FF 00 30 FF FB 3F
Copied KFZW to KFZW2 and KFZWOP to KFZWOP2.

For me it worked with CDNWS = 0
Eskonf changed
KFNWSE was already 18
KFNWKRE was already 18
KFNWKHE whole table to 18
KFNWKHLLE whole table to 18


After now checking FR, I think we'll have to change KFZW2 and OP2 also. They are ignition tables when vvt did its thing.


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6n2gti
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« Reply #13 on: December 28, 2021, 12:52:06 PM »

Thnx for the info! I also changed these maps now; KFNWKRE
KFNWKHE
KFNWKHLLE

Car pulls without isseu till ~5.5k rpm, after that it struggles to get higher. But don't think it is because the vvt is off. I have here a video of it https://youtu.be/pZri2b9G4f0
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doublerwest
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« Reply #14 on: August 09, 2022, 10:59:07 AM »

So you guys say that VVT is big power upgrade? Any evidence about that.
I have never seen/feel that VVT will make too much difference. If you ask me it is not wort to spend time and money on that upgrade.

Ya I feel the same vvt is over engineering bullshit...add more boost!!!!
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