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log boost with JDM MAP sensor (updated instructions)

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Old Jun 9, 2007, 02:53 PM
  #106  
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Originally Posted by TouringBubble
Any new developments on the SES solution Mrfred?
I haven't been able to locate the EGR performance check routine yet. Its not like the other routines that were relatively easy to track down. I'm still looking though.
Old Jun 9, 2007, 05:16 PM
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This is a great mod! I just got mine installed and working. I have a 05 8 so I will post if I get any engine codes.
Old Jun 11, 2007, 12:45 PM
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Just got a cel, I will scan it tonight.
Old Jun 11, 2007, 02:37 PM
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I also got a SES P0401 on my Evo8.
Old Jun 11, 2007, 06:16 PM
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Well the service engine light went out and there are no codes stored. So I am going to keep my scanner with me and check the code when and if the light comes on again.
Old Jun 11, 2007, 07:02 PM
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From the service manual it looks like the MDP is only for the EGR check. I did not see it used in the emissions system for control anywhere. The MDP is only referenced for EGR relation codes in the manual.
Old Jun 12, 2007, 12:26 PM
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Just got the p0401 cel on the IX
Old Jun 12, 2007, 01:28 PM
  #113  
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I've been working on finding the table to fix this. I've spent many evenings pouring through assembly code, but haven't found it yet. Its much more elusive than the other tables which were quite easy to find after I learned a bit about assembly code. Give me another week or so, and I'm hoping to have a solution.
Old Jun 12, 2007, 01:36 PM
  #114  
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Mrfred, No worries. To log boost I can deal with that occasional cel. Just clear and I am on my way
Old Jun 12, 2007, 01:39 PM
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+1
Old Jun 12, 2007, 01:43 PM
  #116  
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No issues with my IX yet!

For those getting the P0401 CEL.... what is your AFR at WOT? Do you mind sharing the fuel tables?

Also, did you check for any vaccum leaks on the intake manifold? I did secure mine with tie wraps to be sure and did a boost leak test.
Old Jun 12, 2007, 01:46 PM
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Originally Posted by joedr
No issues with my IX yet!

For those getting the P0401 CEL.... what is your AFR at WOT? Do you mind sharing the fuel tables?

Also, did you check for any vaccum leaks on the intake manifold? I did secure mine with tie wraps to be sure and did a boost leak test.

No leaks but that has nothing to do with it. Its when the egr performance check happens.

And my AFRs are 11.2-11.4 when wot

Last edited by kreionic; Jun 12, 2007 at 01:48 PM.
Old Jun 12, 2007, 02:12 PM
  #118  
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A leak or disconnected vaccum line behind the intake manifold will trigger EGR codes. Happened to me with a popped vaccum line.

Can't remember the code that I got thou!
Old Jun 12, 2007, 02:14 PM
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Originally Posted by joedr
A leak or disconnected vaccum line behind the intake manifold will trigger EGR codes. Happened to me with a popped vaccum line.

Can't remember the code that I got thou!
Yes thats the same cel as the code # when the egr vacum line popped off. The jdm sensor egr cel and when the egr line popes off are both p0401 Thats not the issues with the jdm sensor. You get the code when the egr does its check and certain criteria is meet
Old Jun 18, 2007, 07:59 AM
  #120  
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How do I order one of these sensors?


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