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Author Topic: help with KNOCK  (Read 36952 times)
nyet
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« Reply #45 on: May 29, 2018, 02:19:45 AM »

I think only the wastegate nut adjustment if i understood the question.

No. That is not at all what the question was. Look at your DRL. To get 60% post-lin wgdc what should the pre-lin WGDC be?

Do you know what post-lin and pre-lin are?
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ME7.1 tuning guide (READ FIRST)
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ME7Sum checksum checker/corrrector for ME7.x

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tao13
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« Reply #46 on: May 29, 2018, 02:26:32 AM »

I think only the wastegate nut adjustment if i understood the question.
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tao13
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« Reply #47 on: May 29, 2018, 03:56:12 AM »

Sorry for repatly ppsted but i jave a bad conection here.
Nyet sorry for disapoint you but for the moment i don't know what is pre and post lean but will learn
For this eeason i'm here.
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tao13
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« Reply #48 on: May 29, 2018, 06:19:48 AM »

Sorry for repety posted but i jave a bad connection here.
Nyet sorry for dissapoint you but for the moment i don't know what is pre and post lean but will learn
For this reason i'm here in this forum
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tao13
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« Reply #49 on: June 03, 2018, 08:53:04 AM »

after other and other modification i have this result with an error p1555- maximum charge limit eceeded
my duty cycle not follow IMX
please see the attachements
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tao13
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« Reply #50 on: June 03, 2018, 08:55:05 AM »

after other and other modification i have this result with an error p1555- maximum charge limit eceeded
my duty cycle not follow IMX
please see the attachements

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tao13
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« Reply #51 on: June 03, 2018, 10:07:09 AM »



IF i modify KFDLULS it is enought?
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nyet
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« Reply #52 on: June 03, 2018, 10:33:04 AM »

I limit is following IMX -> DRL perfectly.

I have no idea why you keep ignoring me, but no, KFDLULS as NOTHING TO DO WITH THIS
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience.
tao13
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« Reply #53 on: June 03, 2018, 11:20:55 AM »

I don't ignore you NYET but for the moment it is all what i can do with my software and all i understand about PID and IMX and DRL.
I study continously and i make little modification every day.

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nyet
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« Reply #54 on: June 03, 2018, 11:23:47 AM »

Question: How are IMX and DRL combined to get the resulting I-limit result?
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience.
tao13
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« Reply #55 on: June 03, 2018, 11:58:07 AM »

i understand like these:
-imx is setup of n75 duty cycle where i want to go my boost
-drl is after boost made and is a fine tuning to linearisation the duty cycle

the corelation between them i try to understand and hope it is like next : if boost not meet after imx ecu apply drl

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nyet
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« Reply #56 on: June 03, 2018, 01:09:07 PM »

i understand like these:
-imx is setup of n75 duty cycle where i want to go my boost
No. That isn't what IMX does. It limits the result of integrator windup in the I portion of the PID. In the case of spool, when both P and D approach zero, the main contribution to pre-lin wgdc is IMX, since the integrator is fully wound up

Quote
-drl is after boost made and is a fine tuning to linearisation the duty cycle

No, it is hardly fine tuning. If you look at the input (pre-lin wgdc) and the output (actual wgdc), you can see they can be very very different.

Quote
if boost not meet after imx ecu apply drl

No. DRL *always* transforms the result of the PID from pre-lin wgdc to post-lin wgdc.
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience.
tao13
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« Reply #57 on: June 03, 2018, 09:18:05 PM »

THANKS YOU NYET!
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tao13
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« Reply #58 on: June 10, 2018, 03:26:45 AM »

I modified drl for a few values after i modified IRL too and now the overboost is not so much in that area of rpm.
I must reduce again but for the moment i have other problem.
I reduced the iginition timing at the last line in KFZW to see where i don't have knock.
After 100 km after wrote the new file on my ecu with new modifications i received next error.
17511 - Oxygen (Lambda) Sensor Heating; B1 S1
            P1103 - 35-00 - Performance too Low

I clear the code and not apper again agter 70 km run today.
Can be from too low timing or my first lambda sensor is broken?

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tao13
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« Reply #59 on: June 12, 2018, 10:40:42 AM »

Hi again
What do you think about my new log?
I have a problem at 4550 rpm where the timing iginition drop very fast and very low , and i don't understand why because not respect the KFZW map , not have a boost decrease , not retards.
Please , other question about calculation of torque and hp in ECU xploat, what error margin they have?
Many thanks in advance.

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