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Author Topic: 4B0906018CH Stage 1 - Ignition problem  (Read 20236 times)
AudiTyp85
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« on: January 04, 2016, 03:35:24 AM »

Hi guys,

this is my first post in this Forum. I am from Austria and i have to apologize for my BAD english.  Roll Eyes

I have read a lot and in the last weeks i did some Tuning to my Passat 1.8T with an ANB Engine.
In my passat is a 4B0906018CM ECU but i downloaded the file from rob.mwpropane (4B0906018CH 0261207216 360854) because with this file i have already all definitions i need, i think  Grin.

There are also some Hardware modifications :
No SAI,
No Kat,
No N80
And a selfmade Downpipe with 60mm.

After this i did some pulls with 2nd Gear with the modified file.
Modified LDRXN, KFMIOP KFZW1 and 2, LAMFA, TABGBTS, KFLDHBN, ESKONF

I think i get torque intervention but i am not able to recognice this with my knowledge now.
Also because i am not able to trace the variables as described in the s4wiki. The Me7Logger is not able to find the variables and i haven`t found addresses yet.
To verify you have done things correctly, log mifa (or misolv), mimax, mibas, miszul and mizsolv.

I would be very thankful i anybody could have a look and give me some feedback.

Thank you !!

« Last Edit: August 23, 2016, 11:20:59 PM by AudiTyp85 » Logged
adam-
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« Reply #1 on: January 04, 2016, 05:36:28 AM »

Firstly, why are you adding antilag and NLS to a 1.8t WITHOUT rods, and at Stage 1 level?! You DO NOT NEED IT.

Also, while you got lucky cross-flashing, it is NOT recommended.  Do not just chop and change files without knowing what you're doing.

Your pulls should be in 3rd gear, not 2nd.  Fuelling request also isn't that well thought out and your either not up to temperature, or your thermostat needs replaced.
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AudiTyp85
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« Reply #2 on: January 04, 2016, 05:56:39 AM »

Antilag and NLS is not added in this file. Only the .csv file is named like that because i made my logger config file with the Antilag and NLS file. So NO Anti lag and NO NLS is added!

I have read that 4B0906018CH and 4B0906018CM files are interchangeable. So i tried it and it worked  Grin I am able to write my ECU in bootmode with Galletto so its not a big risk for me.

OK pulls in 3rd Gear and yes i know the engine was not up to temperature. But is temperature influencing the power although its not good for the enginge ?


Do you think i should go richer during 100% accelPedalPosition to avoid kicking in BTS ?
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adam-
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« Reply #3 on: January 04, 2016, 06:22:49 AM »

Depends how you have tuned it.  Load by temperature is possible.  That, and if the coolant isn't up to temp, neither is the oil by a long way.  You'll just trash it.

Either set BTS to a more suitable temperature, adjust BTS to a suitable level and verify with an EGT sensor or use LAMFA to fuel.  Choose your method. Smiley
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« Reply #4 on: January 04, 2016, 10:40:14 AM »

Does you temp gauge shows 90dgC? If it does - you need to change your termostat. It is common faliure.
That is first step. Sort that Before you continue.
How do you monitor your true AFR? You need to know this for sure Before further tuning.
Than leave IOP-IRL stock and try again.
As earlier said - use 3th gear for logs.
GL!!
« Last Edit: January 04, 2016, 10:41:47 AM by Mocke » Logged
ddillenger
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« Reply #5 on: January 04, 2016, 12:32:19 PM »

Does you temp gauge shows 90dgC? If it does - you need to change your termostat. It is common faliure.
That is first step. Sort that Before you continue.
How do you monitor your true AFR? You need to know this for sure Before further tuning.
Than leave IOP-IRL stock and try again.
As earlier said - use 3th gear for logs.
GL!!


This is a wideband ecu, so he can log AFR.
IOP/IRL is very shit in most 1.8t files, and needs to be modified most of the time. (Shit as in, scaled too low for most performance calibrations)
3rd gear is only needed to achieve a suitable sample duration on fast cars. A stage1 1.8t can use 2nd without a problem.
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adam-
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« Reply #6 on: January 04, 2016, 12:45:13 PM »

Although not totally related, how do you get a good IOP/IRL scale?  I tried to use the Wizard, but it made part throttle brutal.

I've left it stock with the last two rods high.  Sucks obviously, but it drives good and WOT is fine.  Would like a better scale though.  What's the preference?
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ddillenger
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« Reply #7 on: January 04, 2016, 01:25:01 PM »

I can't just answer that. It depends entirely on HOW far you are changing it. S4? Just the last 3 or 4 rows is fine even for BT. RS6? Most of it.

You have to look at the inputs to these maps as well. When is each row used? Under what conditions?

Not trying to be vague, but if I just come out and tell you you're going to miss it Tongue
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« Reply #8 on: January 04, 2016, 01:51:10 PM »

This is a wideband ecu, so he can log AFR.
IOP/IRL is very shit in most 1.8t files, and needs to be modified most of the time. (Shit as in, scaled too low for most performance calibrations)
3rd gear is only needed to achieve a suitable sample duration on fast cars. A stage1 1.8t can use 2nd without a problem.

My point on IOP n IRL was for troubleshooting as he thought he got some interventions. I agree they need to be modified pretty much.
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ddillenger
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« Reply #9 on: January 04, 2016, 02:07:13 PM »

My point on IOP n IRL was for troubleshooting as he thought he got some interventions. I agree they need to be modified pretty much.

Yes, that's probably a good idea.
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AudiTyp85
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« Reply #10 on: January 05, 2016, 12:38:57 AM »

Thank you for all the answers !!  Cheesy

I also think ILR n IOP are the limiters. Especially IOP.
As we know from the S4wiki the input of IOP is rlmax_W and rlmax_w is generated from LDRXN. Am i right ?
(In the FR i read that the ouput of LDRXN or LDRXNZK is rlmx_w which is than convertet to rlmax_w).

So i assume we should scale IOP and IRL according to LDRXN or a little bit higher.

If i`m looking now on my Stock IRL i would say we don`t need to change IRL only IOP.
Maybe all of what i have written know is complete shit Grin

But first i have to check my termostat.
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« Reply #11 on: January 05, 2016, 12:51:18 AM »

One more thing
Do not raise ignition maps before you have everything else in place
You should lower them a bit.
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AudiTyp85
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« Reply #12 on: January 05, 2016, 01:08:44 AM »

I have lowered them already at high loads and rpm.
But i think i did it in the wrong place it should be in KFZWOP/2 ?
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adam-
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« Reply #13 on: January 05, 2016, 01:19:12 AM »

No, it should be KFZW/2.
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AudiTyp85
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« Reply #14 on: January 05, 2016, 02:04:36 AM »

Alright than i did i right  Smiley

EDIT: Sorry wrong screenshot.
« Last Edit: January 05, 2016, 02:08:14 AM by AudiTyp85 » Logged
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