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Author Topic: RS4 B7 Kompressor: problem with ignition advance  (Read 13393 times)
s-company
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« on: February 15, 2013, 05:12:06 PM »

Hello!
i have to solve very tricky thing.
i made remap for rs4 b7 kompressor, car runs very fine, but there is space for more advande ignition.

the thing is, a stock rs4 makes 40 degree (full load) advande without problems, with kompressor, the car only makes 25 degree. you can write adavnce values as high as  you want in the kfzw maps, the actual real ignition angle is ALWAYS nearly same low. there must be some correction because of high airmass, i dont have another explanation, but why?
also there is absolutely no knock retard, sometimes with low rpm, 0,5-1,5 degree retard, but high load nothing.

any ideas for this?

many many thanks for every input!

BR
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jooo
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« Reply #1 on: February 15, 2013, 08:35:23 PM »

Post binary dump and we should be able to help!
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s-company
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« Reply #2 on: February 16, 2013, 06:33:12 AM »

hello!
here is the ori.
changes with KFZW's does not work (1cb530-1ccbb0)
also KFZWMN, KFZWMS and KFZWOP makes no sense to tune for my opinion...

seems to be that some other maps are blocking ignition advance..

thanks.
BR
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SVSPORT
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« Reply #3 on: February 16, 2013, 07:43:27 AM »

Do you have any logs?
003-020-026
002-031-033
..............................
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s-company
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« Reply #4 on: February 16, 2013, 07:52:11 AM »

hello,
attched my logs.
but only air mass, ignition angle and load.
 i didn't log 20 and 31 because there is no ignition retard and lambda is good (full load 0,8-0,84)

BR
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s-company
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« Reply #5 on: February 16, 2013, 07:52:57 AM »

sorry here is the log..
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matchew
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« Reply #6 on: February 16, 2013, 09:50:31 AM »

Can you log block 211 and 142?

Do you have any fault conditions?
« Last Edit: February 16, 2013, 09:54:42 AM by matchew » Logged
s-company
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« Reply #7 on: February 16, 2013, 09:58:57 AM »

ok i can log these blocks.
no there are no faults...
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matchew
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« Reply #8 on: February 16, 2013, 10:48:52 AM »

just to clarify, have you turned any faults off?
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s-company
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« Reply #9 on: February 16, 2013, 11:01:02 AM »

yes, i turned off faults concerning cat..
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jooo
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« Reply #10 on: February 16, 2013, 11:53:27 AM »

hello!
here is the ori.
changes with KFZW's does not work (1cb530-1ccbb0)
also KFZWMN, KFZWMS and KFZWOP makes no sense to tune for my opinion...

seems to be that some other maps are blocking ignition advance..

thanks.
BR
You have access to a correct damos for this ECU? First guess would be that it is not KFZW you are tuning. Have you checked with idapro?
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airtite
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« Reply #11 on: February 16, 2013, 12:01:25 PM »

I will be watching this with interest.
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s-company
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« Reply #12 on: February 17, 2013, 04:08:20 AM »

i have no damos, i think its hard to get, but i am 100% sure kfzw's are at 1cb530-1ccbb0...

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IamwhoIam
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« Reply #13 on: February 17, 2013, 04:13:45 AM »

You have access to a correct damos for this ECU? First guess would be that it is not KFZW you are tuning. Have you checked with idapro?

You might want to look at the file before making statements like the one you did above... The area s-company has posted does correspont to all the kfzw maps.
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I have no logs because I have a boost gauge (makes things easier)
s-company
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« Reply #14 on: February 19, 2013, 04:32:53 AM »

Can you log block 211 and 142?

Do you have any fault conditions?

attached the two blocks..

BR
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