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Author Topic: 4B0906018CH Stage 1 - Ignition problem  (Read 20299 times)
AudiTyp85
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« Reply #15 on: January 06, 2016, 08:10:41 AM »

Hi,

today i did another pull. And temperature falled again down to 60 degrees. I think my waterthermostat is always open. Temperature outside is around zero degrees.

I got lambda right and BTS is not kicking in.
IRL is original and IOP is modified with the IOP calculator. Also KFZWOP/2 with calculator corrected.
Only thing is that i get ignition retard and engine load is not reaching requested load. Also actual boost is not following requested.








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« Reply #16 on: January 06, 2016, 10:35:19 AM »

You can not procide with tuning as your Engine is not up  in normal operating temperature.
It is still in warm up - adding extra fuel. You need to sort mechanical issues first Always!!!!

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ddillenger
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« Reply #17 on: January 06, 2016, 04:38:22 PM »

Always fix hardware issues prior to tuning man.
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dgpb
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« Reply #18 on: January 06, 2016, 05:11:48 PM »

Hi,

today i did another pull. And temperature falled again down to 60 degrees. I think my waterthermostat is always open. Temperature outside is around zero degrees.

I got lambda right and BTS is not kicking in.
IRL is original and IOP is modified with the IOP calculator. Also KFZWOP/2 with calculator corrected.
Only thing is that i get ignition retard and engine load is not reaching requested load. Also actual boost is not following requested.

Why? IOP is not the exact inverse from IRL, what the tool actually does. It's got an important amount of hours of calibration fom VAG developing centres. And you're not gonna obtain more load without touching IRL (what I don't think to be specially needed for a st1). If it were, I've done it with good results and 0 jerking or torqe monitoring problems, just swap IRL and IOP from a BAM... There's enough load to reach the MAP limit. As they share axis with a bunch of maps and you're gonna run more load than it's programmed in BTS and/or timing, you should (must) reinterpolate and, beyond the old load, guess values (later on, by logging, adjust them properly). Why not just swap advance maps from BAM? well, different compression ratios.

What I mean is, leave IRL/IOP alone as stock or alter the last column of IRL... And, of course, logs are always done at optimal coolant temperature.


Adam, a bit of offtopic. Have you considered doing what I wrote? I don't remember how many maps I had to touch, probably more than 20 but the car went (And goes) smooth as stock but pulls way more and there's no lack of boost, 1.5bar. If you've done the 5120hack, ok, I understand you need more load, but if not? There's something like 230% on a BAM's IRL.
« Last Edit: January 06, 2016, 05:16:28 PM by diegogpb » Logged
AudiTyp85
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« Reply #19 on: January 08, 2016, 03:27:52 AM »

OK than back to stock. But i have read in the Stage1 thread that they used IRL/IOP from the BAM engine so i did also. Of course i changed the KFZWOP/2 also.
 
I have also replaced my waterthermostat. Now the temperature is OK i hope with 81 degrees. But my temp gauge inside the car shows 90degrees. Is this alright or is my termostat damaged.


Then i did another pull because i trust my temp gauge.
Logging was not very successful because my test street was a little bit slippery from the snow.

If someone is interested.



« Last Edit: January 08, 2016, 03:34:21 AM by AudiTyp85 » Logged
nyet
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« Reply #20 on: January 10, 2016, 09:46:24 AM »

Always fix hardware issues prior to tuning man.

I really don't understand why people still have trouble with this concept.
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dream3R
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« Reply #21 on: January 10, 2016, 12:04:57 PM »

I really don't understand why people still have trouble with this concept.

Me either, "I have a misfire, lets map it and weld the plug to the head"
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How to work out values from an A2L Smiley

http://nefariousmotorsports.com/forum/index.php?topic=5525.msg52371#msg52371


Starting Rev's http://nefariousmotorsports.com/forum/index.php?topic=5397.msg51169#msg51169

noobs read this before asking http://nefariousmotorsports.com/forum/index.php?topic=9014.0title=


ORGORIGINAL 05 5120 creator for Volvo
ORIGINAL Datalogger (Freeware) Author
ORGINAL finder of the 'extra' torque' limits
I don't have ME7.01 A2L I just use ID
AudiTyp85
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« Reply #22 on: January 11, 2016, 06:30:12 AM »

Sorry guys that was my fault. Embarrassed  I warmed up my engine till the temperature was on 90 degrees than i went on the street to do some pulls.
Then unfortunately the temperature went down because of the waterthermostat and i dind't  recognize it.  Sad


I hope you will help me in the future to analyze some logs.  Wink


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AudiTyp85
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« Reply #23 on: January 12, 2016, 01:05:23 PM »

Today i was able to to another pull. Temperautre is a little bit high but i think its ok ?  Roll Eyes

Calculated EGT went up soon so BTS kicked in. But no ignition retared now.
Maybe i should lower LDRXN a bit and go down with load sooner. Also go richer with LAMFA.


I hope the pull was ok this time  Huh


Greetings Luki
« Last Edit: January 12, 2016, 01:14:04 PM by AudiTyp85 » Logged
vwaudiguy
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« Reply #24 on: January 12, 2016, 01:21:07 PM »

A few questions about the last log..

1. Which variable (tabgbts_w / tabgm) best represents actual EGT and should both variables be logged?
2. tans and tanslin seem to have the same values. Any reason to log them both?
3. Was under the impression knock voltage don't really say much (unless you had a specific issue). Is there a specific reason to log those?
4. pvdkds_w and pvdks_w also seem to have the same values. Is there a reason to log both?

Not being picky, just curious.
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AudiTyp85
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« Reply #25 on: January 13, 2016, 05:13:47 AM »

First i have to say i took all log veriables from the Project "Stage1 1.8t ME7.5 A4 (8E0909518AK-0003)".

I don't know if it is really necessary to log all those variables. I took them all to be sure to log enough.

I cannot tell you the exactly difference between those variables.  Roll Eyes
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dream3R
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« Reply #26 on: January 16, 2016, 10:57:54 PM »

Why not just align load axis and interpolate it affects a few other map iirc so they done what's your loads look like?
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How to work out values from an A2L Smiley

http://nefariousmotorsports.com/forum/index.php?topic=5525.msg52371#msg52371


Starting Rev's http://nefariousmotorsports.com/forum/index.php?topic=5397.msg51169#msg51169

noobs read this before asking http://nefariousmotorsports.com/forum/index.php?topic=9014.0title=


ORGORIGINAL 05 5120 creator for Volvo
ORIGINAL Datalogger (Freeware) Author
ORGINAL finder of the 'extra' torque' limits
I don't have ME7.01 A2L I just use ID
AudiTyp85
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« Reply #27 on: January 17, 2016, 01:46:12 PM »

Why not just align load axis and interpolate it affects a few other map iirc so they done what's your loads look like?

Sorry dream3R i am not able to understand what you want to say to me. Maybe beacause of my bad english ?  Huh
Could you explain it to me please ?  Kiss
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AudiTyp85
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« Reply #28 on: July 18, 2016, 01:40:31 AM »

Hi guys  Smiley

After some time i made again modifications to my 4B0906018CH file.
I think i should sum up my modifications.


LDRXN
KFMIOP and KFMIRL from S3 BAM
KFZW1 and 2
LAMFA
TABGBTS
KFLDHBN
ESKONF
soft launch control.


Would you be so kind and give a look at my log ?  Smiley


Thank you !!

 
« Last Edit: July 20, 2016, 01:08:24 AM by AudiTyp85 » Logged
AudiTyp85
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« Reply #29 on: August 23, 2016, 11:20:28 PM »

Hi


Maybe this is another dump question.  Undecided
But i have a problem with my ignition and ignition retard.

On my 1.8T ANB engine i built a K04-023 Turbo + S3 BAM fuel injectors.
The Problem ist that i always get ignition retard on cylinder 2 + 3.

At first i lowered KFZW1 to be sure that knock detection won`t reduce timing.
I did some logging and the logs showed timing retared on cylinder 2 + 3 is around 3 - 3.5 degrees.
 
Next step was to reduce ignition in the areas where the log showed that knock detection is active and lowerd the values 4 degrees to be on the safe side.

The next log again showed ignition retard on cylinder 2 + 3 with again 3 degrees retard.
I played the game again an came to the point that only cylinder 2 is knocking but again 3.75 ignition retard.


Now my question is why the engine is alwas knocking on cylinder 2 + 3 and not on cylinder 1 + 4 ??  Huh


I have already tested the fuel injectors and they inject all the same amount of fuel.


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