Rear O2 delete not working

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mitkoenchev

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	Rear O2 delete not working « on: November 13, 2014, 06:07:41 PM »

Hi, I tried to do the rear O2 delete as per s4wiki, but it seems I messed something up. I checked everything many times, so I'm either missing something or I didn't define some of my maps right. My ECU is ME7.5 8E0906018B 360990.

Any help would be appreciated.

I attach the file I'm working on along with original bin and the definition file (I'm sure it's not 100% right defined, since I'm still learning).


« Last Edit: November 13, 2014, 08:42:24 PM by mitkoenchev »	Logged

ddillenger

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	Re: Rear O2 delete not working « Reply #1 on: November 13, 2014, 06:27:54 PM »

Please post the original file.


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mitkoenchev

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	Re: Rear O2 delete not working « Reply #2 on: November 13, 2014, 07:27:21 PM »

Quote from: ddillenger on November 13, 2014, 06:27:54 PM

Please post the original file.

Corrected in the first post. Sorry, it seems I wasn't using my brain... it's 4am here


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masterj

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	Re: Rear O2 delete not working « Reply #3 on: November 14, 2014, 07:04:18 AM »

is this me7.5?


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mitkoenchev

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	Re: Rear O2 delete not working « Reply #4 on: November 14, 2014, 07:16:36 AM »

Quote from: masterj on November 14, 2014, 07:04:18 AM

is this me7.5?

Yes


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masterj

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	Re: Rear O2 delete not working « Reply #5 on: November 14, 2014, 12:54:22 PM »

Only O2 sensors readliness is not passed?

http://nefariousmotorsports.com/forum/index.php?topic=615.msg64303#msg64303


« Last Edit: November 14, 2014, 12:57:25 PM by masterj »	Logged

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mitkoenchev

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	Re: Rear O2 delete not working « Reply #6 on: November 14, 2014, 02:44:00 PM »

Quote from: masterj on November 14, 2014, 12:54:22 PM

Only O2 sensors readliness is not passed?

http://nefariousmotorsports.com/forum/index.php?topic=615.msg64303#msg64303

I always have an error code in VCDS and MIL is lit after 2nd start. I'll see what the error is (before my modifications to the maps, I had two rear O2 error codes in VCDS, now there's only one). Thanks for the link, I'll look into this and report here.


« Last Edit: November 14, 2014, 03:33:49 PM by mitkoenchev »	Logged

mitkoenchev

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	Re: Rear O2 delete not working « Reply #7 on: November 15, 2014, 08:45:39 AM »

I saw what I was missing - CWDLSAHK (0x18663) - Code word for probe aging after KAT - and I can't find it in my file.

It's not on the wiki, but I found this in my file: CWLSHA- Codeword: 02-sensors behind KAT aging DLSAHK% - Codewort fьr Lambdasonden hinter KAT Alterung in %DLSAHK and I set this to 0. I still need to see what is the error code in VCDS...


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mitkoenchev

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	Re: Rear O2 delete not working « Reply #8 on: November 16, 2014, 12:13:45 PM »

Maybe I found CWDLSAHK at 0x18657. Value is 05 there. I'm not sure though...


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mitkoenchev

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	Re: Rear O2 delete not working « Reply #9 on: November 20, 2014, 06:41:35 AM »

Quote from: mitkoenchev on November 16, 2014, 12:13:45 PM

Maybe I found CWDLSAHK at 0x18657. Value is 05 there. I'm not sure though...

Didn't touch that, since I'm not sure its CWDLSAHK. I zeroed CWKONABG and CWLSHA. It also seemed I had defined ESCONF in the wrong place - I fixed that and I don't have any errors or MIL anymore. Readiness is not passed, but I don't need that here (I'll refer to masterj's post above if I need to get that pass). I hope there's no other negative effects to failed O2 readiness.

Thanks for that very useful info. Great thread on emissions.


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