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Author Topic: Removing EGt sensor from K04-023 -> MIL?  (Read 11292 times)
professor
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« on: September 13, 2012, 05:49:16 AM »

Hello

I understand that removing the egt probe from k04-023 turbocharger will cause mixture enrichment and probably MIL.
Is there a way to remove it without affecting car work behavior from SW side?

Thank you.
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Aragorn
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« Reply #1 on: September 13, 2012, 08:11:30 AM »

i believe you need to set CATR = 0
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phila_dot
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« Reply #2 on: September 13, 2012, 08:21:17 AM »

S4wiki

http://s4wiki.com/wiki/Tuning#EGT
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nokiafix
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« Reply #3 on: September 13, 2012, 09:48:45 AM »

With a k034-023 on a stock manifold I would want to run the EGT in place.

NIck
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nokiafix
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« Reply #4 on: September 13, 2012, 09:50:43 AM »

You could run 032HJ SW non EGT and utilse the egt model
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littco
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« Reply #5 on: September 13, 2012, 10:21:52 AM »

But as stated Catr needs to be set to 0 otherwise you get constant protection fuelling ( ie 0.75 all the time) Setting it 0 gives normal lambda fuelling as found in the Hn or Hj.

I have asked for s4wiki to be updated
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phila_dot
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« Reply #6 on: September 13, 2012, 10:35:39 AM »

But as stated Catr needs to be set to 0 otherwise you get constant protection fuelling ( ie 0.75 all the time) Setting it 0 gives normal lambda fuelling as found in the Hn or Hj.

I have asked for s4wiki to be updated

Ahh...ok, I guess that negates the need to FF TABGSS?

TABGSS was being FF'ed because when the sensor is unplugged it gives a max reading causing intervention.
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littco
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« Reply #7 on: September 13, 2012, 10:55:58 AM »

Yes that would make sense, I never tried FF tabgss as when I got the issue I had a look through FR and stumbled on CATR and that worked so left it at that. As far as I can tell just setting Catr to 0 switches the EGT off com
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littco
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« Reply #8 on: September 13, 2012, 10:59:06 AM »

Yes that would make sense, I never tried FF tabgss as when I got the issue I had a look through FR and stumbled on CATR and that worked so left it at that. As far as I can tell just setting Catr to 0 switches the EGT off completely.

It works well if you want to run a BAM flash on a 032hn or hj ecu and don't obviously have EGT. In my case it's been hybrid k03's as the flash already has s3 maf scaling s3 fuelling etc etc
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phila_dot
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« Reply #9 on: September 13, 2012, 11:02:51 AM »

Yes that would make sense, I never tried FF tabgss as when I got the issue I had a look through FR and stumbled on CATR and that worked so left it at that. As far as I can tell just setting Catr to 0 switches the EGT off com

CATR shuts down ATR I'm guessing. So CDATR and CDATS are still required to shut down diagnosis?

I'm not at my computer and have never cared for EGT delete, otherwise I would just look myself.
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professor
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« Reply #10 on: September 19, 2012, 10:50:49 AM »

CATR, CDATR and CDATS did the job.

Thanks guys  Smiley
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nyet
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« Reply #11 on: September 19, 2012, 12:38:11 PM »

But as stated Catr needs to be set to 0 otherwise you get constant protection fuelling ( ie 0.75 all the time) Setting it 0 gives normal lambda fuelling as found in the Hn or Hj.

I have asked for s4wiki to be updated

I didn't see this. Can somebody clarify what, exactly, should be added to the wiki?

In particular, i didn't modify CATR and i dont see lambda problems (with EGTs installed)... unless im missing something... is it only needed if you remove EGT sensors entirely?

Thanks.
« Last Edit: September 19, 2012, 12:44:13 PM by nyet » Logged

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« Reply #12 on: September 19, 2012, 02:15:00 PM »

Yes to completely remove EgT and not set off egt protection fuelling CATR needs to be set to 0 . If you remove the EGT but leave at 1 you'll get a constant .75
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nyet
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« Reply #13 on: September 19, 2012, 02:22:09 PM »

Thanks. s4wiki updated.
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

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 experience.
sonique
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« Reply #14 on: May 28, 2015, 05:44:31 PM »

and after removing EGT
not need CWLAMBTS  set 4 ?
because example :AUQ 180PS original file "4"
BTS fueling working fine CWLAMBTS  0 ?
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