NefMoto > Technical > Tuning > MED 17 fuel pressure control
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Author Topic: MED 17 fuel pressure control  (Read 5529 times)
tezotto
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« on: March 06, 2018, 05:07:41 AM »
Hello everyone
I need to raise the fuel pressure in the med17 from 15 to 17Mpa, I made the same changes I did in a med9, but the requested pressure does not rise, the maps I changed were:
KFPRSOLHKS
KFPRSOLHMM
KFPRSOLHOM
KFPRSOLKH
KFPRSOLSCH
KLLFPRSG >>> (Axis)
KLPRMAX
PRSOLAP
PRMAX

Am I forgetting any?
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gman86
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« Reply #1 on: March 06, 2018, 11:42:38 AM »
KLPRMAX map looks offset by 2 bytes
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tezotto
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« Reply #2 on: March 06, 2018, 01:02:44 PM »
Quote from: gman86 on March 06, 2018, 11:42:38 AM
KLPRMAX map looks offset by 2 bytes

I already compensated for +2 bytes and -2 bytes but the map gets very distorted
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ReproLogic
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« Reply #3 on: March 06, 2018, 05:49:44 PM »
In my sw there are a single value to 150 bar.
Upload your file.
« Last Edit: March 07, 2018, 08:09:58 AM by ReproLogic » Logged
tezotto
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« Reply #4 on: March 07, 2018, 04:20:37 AM »
Quote from: ReproLogic on March 06, 2018, 05:49:44 PM
In my sw there are a single value to 150 mPa.
Upload your file.

is attached
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ReproLogic
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« Reply #5 on: March 07, 2018, 09:55:44 AM »
Try in 8 bits direction 58425 , change (117 006) to (132 208).
Yes this change the axis descriptor to the 6x1 map, but in my file works.  Huh
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gman86
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« Reply #6 on: March 07, 2018, 04:34:51 PM »
Quote from: tezotto on March 07, 2018, 04:20:37 AM
is attached

It's offset like I said Smiley See attached image

0x5841A
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ReproLogic
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« Reply #7 on: March 07, 2018, 04:59:23 PM »
Thanks, man, mystery solved.
My damos are wrong, but I made it work with tests. Smiley
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gman86
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« Reply #8 on: March 07, 2018, 06:39:30 PM »
Quote from: ReproLogic on March 07, 2018, 04:59:23 PM
Thanks, man, mystery solved.
My damos are wrong, but I made it work with tests. Smiley


Yes, there are a few A2Ls are that are out a little. KLPRMAX is a common one on MED9 and MED17
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tezotto
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« Reply #9 on: March 08, 2018, 03:39:05 AM »
Many thanks Gman86, worked perfectly now.

When I compensated the 2 bytes was hot headed, after seeing your post I realized that I had made the compensation in the wrong way.

Thank you for being insistent on your statement!
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gman86
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« Reply #10 on: March 10, 2018, 02:56:02 AM »
Quote from: tezotto on March 08, 2018, 03:39:05 AM
Many thanks Gman86, worked perfectly now.

When I compensated the 2 bytes was hot headed, after seeing your post I realized that I had made the compensation in the wrong way.

Thank you for being insistent on your statement!

No problem, glad it's sorted. As above, it's quite a common flaw with some of the A2Ls floating around. Hopefully you'll be seeing the requested pressure now!
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