NefMoto > Technical > Tuning > The Volvo ME7 thread:
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Author Topic: The Volvo ME7 thread:  (Read 1077007 times)
Kacza
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« Reply #1110 on: October 15, 2018, 01:06:44 AM »
OK thanks.
How to make changes in CEM?

Or maybe I should do a DTC-off in ECM?
« Last Edit: October 15, 2018, 01:18:45 AM by Kacza » Logged
fredrik_a
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« Reply #1111 on: October 15, 2018, 01:25:48 AM »
Quote from: Kacza on October 15, 2018, 01:06:44 AM
How to make changes in CEM?

Don't bother with it.
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MeNewbie
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« Reply #1112 on: October 15, 2018, 01:42:41 AM »
Smiley
« Last Edit: October 16, 2018, 08:46:23 AM by MeNewbie » Logged
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Kacza
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« Reply #1113 on: October 15, 2018, 02:01:19 AM »
Can anyone help me turn off the DTC in this file?
DTC read CPD
5110
930B
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MeNewbie
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« Reply #1114 on: October 17, 2018, 02:37:03 AM »
Smiley
« Last Edit: October 18, 2018, 01:52:39 PM by MeNewbie » Logged
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Mladen
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« Reply #1115 on: October 17, 2018, 08:41:11 AM »
I want to install the injectors from 2002 T5 (0280155830) (my car is a 04 V70 lpt)
My bin matches the V70R bin found here.
Do I need to hunt down the TVUB and other maps or is FKKVS from the T5 enough?
My bin is posted in this thread.

Thanks for any help!
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Opti
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« Reply #1116 on: October 17, 2018, 11:16:01 AM »
I think you want to change KRKTE first.
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Mladen
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« Reply #1117 on: October 18, 2018, 05:47:17 AM »
Quote from: Opti on October 17, 2018, 11:16:01 AM
I think you want to change KRKTE first.

Is 0.0480 right for a R. My v70 lpt is the same value.
I will calculate the new value some time today.
I dont think this is right
Should be....

Calculation as follows (from translated RKTI)
(50.2624 x 0.5042) / 261 = 0.0970 (0280155830 BLUE INJ)
0.5042 is my 1 cyl in dm3
261 is g/min in heptane

My original 0280155831 gives me 0.1069

I tried with GAGTOOLS KRKTE calc and got 0.0992 for 0280155830
0280155831 = 0.1212
KRKTE
Engine size 2521cc
Cyl             5
Temp         0c
Athmo        1000mbar
Humid        0%
Flow           297cc/min
              = 0.1212 (0280155831)
Makes more sense with these numbers?
I also read that if under 660cc no need to change TVUB

Quote from: hammersword on June 14, 2010, 07:41:09 AM
KRKTE always must be calculated when larger injectors are fit!

We do not set KRKTE randomly but there is a formula from Bosch that calculate it! You analyze it before but you have to watch that this formula
do not use the injectors gasolines flow rate at cc/min but uses the gasolines n-heptan flow rate with units g/min!

So watch out!

I usually tune larger injectors only with KRKTE without having problems, injectors till 600cc! Over 600cc you have to adjust injectors lag time and some more that you have found and you explain before!

Well done for your well job on that topic!

Regards
Fotis
« Last Edit: October 18, 2018, 07:47:23 AM by Mladen » Logged
MeNewbie
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« Reply #1118 on: October 20, 2018, 06:26:08 AM »
Caution. In old Volvo damos for KFZW wrong axis factors for later files.
« Last Edit: October 21, 2018, 04:03:00 PM by MeNewbie » Logged
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Mladen
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« Reply #1119 on: October 22, 2018, 09:40:00 AM »
Can anyone check my calculations?
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MeNewbie
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« Reply #1120 on: October 22, 2018, 11:49:42 AM »
Quote from: Mladen on October 22, 2018, 09:40:00 AM
Can anyone check my calculations?
Use Gagtools for KRKTE and no problem Wink
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Mladen
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« Reply #1121 on: October 23, 2018, 08:22:55 AM »
Quote from: MeNewbie on October 22, 2018, 11:49:42 AM
Use Gagtools for KRKTE and no problem Wink

I did use GAGTOOLS.
I would like to know if its correct.
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MeNewbie
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« Reply #1122 on: October 24, 2018, 02:04:58 AM »
Quote from: Mladen on October 23, 2018, 08:22:55 AM
I did use GAGTOOLS.
I would like to know if its correct.
Flash it and you will know by lambda and corrections.
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Mladen
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« Reply #1123 on: October 24, 2018, 04:21:08 AM »
Quote from: MeNewbie on October 24, 2018, 02:04:58 AM
Flash it and you will know by lambda and corrections.

Will do. Do I need to change TVUB as well before this?

Thank you for your help.
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MeNewbie
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« Reply #1124 on: October 24, 2018, 07:29:54 AM »
Quote from: Mladen on October 24, 2018, 04:21:08 AM
Will do. Do I need to change TVUB as well before this?

Thank you for your help.
Somebody said TVUB no need correct up to 650cc. Check it and confirm here Smiley

Not at all.
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