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Author Topic: Code Out EVAP LEAK DETECTION PUMP  (Read 3812 times)
skravo
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« on: May 28, 2013, 03:49:58 AM »

Hey, I'm from Australia and bought a US ecu as my old one got destroyed.

So I spent a few hours taking all of the wheel guards to finally think we probably dont have this pump in Australia.

Does anyone know how to code it out of the ECU.

1 Fault Found:
17881 - EVAP Leak Detection Pump: Open Circuit
        P1473 - 35-00 - -

I work in computers but have never done any of this before and want to tread carefully.

Any help appreciated.

Luke
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vdubnation
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« Reply #1 on: May 28, 2013, 06:09:23 AM »

hey

check out the s4 tuning wiki you need to 0 all the required bytes.

http://s4wiki.com/wiki/Tuning
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ddillenger
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« Reply #2 on: May 28, 2013, 08:53:53 AM »

What ecu number?
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vdubnation
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« Reply #3 on: May 28, 2013, 09:09:06 AM »

i think he has a l box or something pertaining to a s4 i remember he wrote about his ecu being bad and he had stage 1.
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ddillenger
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« Reply #4 on: May 28, 2013, 09:17:11 AM »

If you give me the ecu number your car HAD, I can help you. If you don't have it, I can send you a file to try, but it may take a couple attempts to find the right bit.
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skravo
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« Reply #5 on: May 28, 2013, 04:26:03 PM »

My ECU is 4Z7 907 551 H and I have a K in there now.
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skravo
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« Reply #6 on: May 28, 2013, 04:27:24 PM »

By that I meant original was a H.
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ddillenger
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« Reply #7 on: May 28, 2013, 04:53:23 PM »

Do you have your original file? I have a 4Z7907551K file, but not an original H.

If you're interested in trying a few variations, I can definitely figure it out (2-3 tries maximum). Only one if you have the stock file. I was needing to determine the LDP bit pairs anyway.
« Last Edit: May 28, 2013, 05:04:31 PM by ddillenger » Logged

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skravo
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« Reply #8 on: May 28, 2013, 09:26:10 PM »

Unfortunately I don't have the original H. I thought I recalled some posts about codeing it out and didn't think it would matter between versions. I would send it to a tuning place, but Australia really has nothing which is disappointing. Are there any in the US you would recommend. I saw posts about VAST editing it out but apparently they are out of business?
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JG27
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« Reply #9 on: January 19, 2017, 06:25:55 AM »

I would also like to code out EVAP system - N80 valve and Leak detection Pump on Audi A6 C5 2.7T (APB).
Never been using Nefmoto, but now I have cable and some boost problems according to LDP code in vag.
Could someone help with this issue?

I read that need to zero:
CDLDP
CDTES
CLATEVE
CLALDPE

what about ESKONF
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elRey
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« Reply #10 on: May 02, 2017, 07:55:23 AM »

On the 1.8t AWP boxes (032HS, LP, etc) there was no eskonf byte for LDP (that I could find).  I had to just address it by zeroing DTC.
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