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log boost with JDM MAP sensor (updated instructions)

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Old May 17, 2007, 08:09 AM
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mrfred, did you get my PM? I'm ready to paypal man!!!

CJ
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Old May 17, 2007, 08:20 AM
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Originally Posted by Ralph
I reversed the old setup instructions and used the new ones (evo 9 013 rom) and so far after a day and a couple pulls no CEL . It does read slightly off when the vehicle is off..

Reading: -0.18618

:-\
It is a MAP sensor so it does not correct for atmospheric pressure. You'll have to make an adjustment to the EvoScan formula for your elevation. If its curently 0.19347*x-14.51, change it to 0.19347*x-14.3. That will get you closer to 0 psi with the engine off.
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Old May 17, 2007, 08:21 AM
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Originally Posted by iTune
mrfred, did you get my PM? I'm ready to paypal man!!!

CJ
PMed you back yesterday. Do you want me to resend?
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Old May 17, 2007, 08:44 AM
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Originally Posted by mrfred
PMed you back yesterday. Do you want me to resend?
not sure why i didn't get it. EVOM has been acting kinda crazy lately..... can you resend it?

Thanks!!

CJ
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Old May 17, 2007, 09:28 AM
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Originally Posted by mrfred
Email your ROM to me.
I'll send it over lunch. I've been trying to get out of here for about 45 min, but things keep going weird and we're missing half of our staff today. We all know how that goes. Thanks for the help man!
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Old May 17, 2007, 01:36 PM
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I e-mailed you the ROM. Feel free to post images from it if you'd like. I'll all for doing whatever for the benefit of the ECUFlash community.

BTW, car is running great with the new sensor. I have noticed no changes at all, which is good.
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Old May 17, 2007, 01:40 PM
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mrfred, you da man!
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Old May 17, 2007, 02:41 PM
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I haven't seen anyone verify that they haven't had a CEL on the 008 rom after the VE table mods.

I'll post tomorrow night after my 10+ hour drive to The Dragon. I did not get a CEL on my 15 minute drive home.
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Old May 17, 2007, 03:51 PM
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Cant get one this batch, will there be some available in 2 weeks?
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Old May 18, 2007, 07:38 AM
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Originally Posted by mchuang
Cant get one this batch, will there be some available in 2 weeks?
There may be one or two left in two weeks. And I'm getting prepared to order another batch that should arrive around June 20.
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Old May 18, 2007, 07:39 AM
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Added '04 Evo 8 96420007 ROM.
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Old May 18, 2007, 12:04 PM
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I tested the JDM MAP with the ignition on and engine off and Evoscan running. I got 0.193720 psi reading even though I am at sea level. So it was slightly off.

So I openned the xml file in Evoscan and changed the parts that reads Eval="0.19347*x-14.51" to Eval="0.19347*x-14.67". 14.67 being atmospheric pressure at sea level. I ran Evoscan and got 0.033720 psi.

Then I rounded up from 14.67 to 14.7 and that gave me the most accurate reading of 0.003720 psi.

I do not know if what I did was the right or wrong way to do this. Any opinions?
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Old May 18, 2007, 01:14 PM
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Originally Posted by nj1266
I tested the JDM MAP with the ignition on and engine off and Evoscan running. I got 0.193720 psi reading even though I am at sea level. So it was slightly off.

So I openned the xml file in Evoscan and changed the parts that reads Eval="0.19347*x-14.51" to Eval="0.19347*x-14.67". 14.67 being atmospheric pressure at sea level. I ran Evoscan and got 0.033720 psi.

Then I rounded up from 14.67 to 14.7 and that gave me the most accurate reading of 0.003720 psi.

I do not know if what I did was the right or wrong way to do this. Any opinions?
That's exactly the way to do it.
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Old May 18, 2007, 01:26 PM
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After 2 days with new NO CEL instructions,.......... no CEL . Thanks mrfred
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Old May 18, 2007, 02:38 PM
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Originally Posted by mrfred
There may be one or two left in two weeks. And I'm getting prepared to order another batch that should arrive around June 20.
ok cool thx
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