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Dave9n3
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« Reply #225 on: January 26, 2017, 07:14:23 AM »
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Maxing (or raising above you rev limiter) KFNWEGM will disable fuel cut entirely and (so long as KFZWMN, KFZWOP and KFZW(?) are set correctly) it'll pop/bang all the way down overrun.
If this is true I should be able to disable over run fuel below 4500rpm using WEGM right? am I right in thinking I can do the same with KFTVSAKAT by setting it to zero in the areas where I don't want any fuel to be added on over run? |
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4ringpieces
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« Reply #226 on: January 26, 2017, 12:21:09 PM »
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there is lots more to the bbsawe you can play with than just 3 maps.
Adjust tvsatm to 100 or as high as you want in seconds, in the rpm range you want. This will stop oneof the conditions that lets for overrun fuel cut off enable
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4ringpieces
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« Reply #227 on: January 26, 2017, 03:17:11 PM »
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Might be better to explain with few examples what i mean.
Road speed = 0 kmh
cwsawe or clutch switch input = 1
kftvsa delay time of 1 second
tvsag0 delay time of 2.5 seconds
Kftvsakat delay time 1.5 seconds
tvsabte delay time 3 seconds
Tank venting = OFF
Overrun cut delay time = 2.5 seconds from tvsag0
Different example.
Road speed = 30 kmh
cwsawe or clutch switch input = 1
kftvsa delay time of 1 second
tvsag0 delay time of 2.5 seconds
Kftvsakat delay time 1.5 seconds
tvsabte delay time 3 seconds
Tank venting = OFF
Overrun cut delay time = 1.5 seconds from Kfvsakat
Road speed = 30 kmh
cwsawe or clutch switch input = 1
kftvsa delay time of 1 second
tvsag0 delay time of 2.5 seconds
Kftvsakat delay time 1.5 seconds
Tvsabte delay time 3seconds
Tank venting = ON
Overrun delay time = 3 seconds from Tvsabte.
This is all worked out from the FR Chart.
Worth noting that in the 018CB 225 TT file, TVSAG0 = 0 seconds and TVSABTE = 0 seconds.
So if your finding it pops or flames lots while driving but not very well stationary your problems lie either with tvsag0 or tvsabte
You need more than just cwsawe, kftvsa and kftvsakat to make it delay well.
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Jim_Coupe
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« Reply #228 on: January 26, 2017, 04:47:56 PM »
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Wow some nice info. Thanks  |
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E85oholic
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4ringpieces
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« Reply #229 on: January 27, 2017, 03:45:08 AM »
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Obviously there are other conditions etc involved
You could mess with Kat temp upper limits etc to make it never activate b_sab at all
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spacey3
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« Reply #230 on: January 27, 2017, 04:41:54 AM »
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If this is true I should be able to disable over run fuel below 4500rpm using WEGM right? am I right in thinking I can do the same with KFTVSAKAT by setting it to zero in the areas where I don't want any fuel to be added on over run?
KFNWEGM is translated to "Resume engine speed map". In other words, the RPM at which to restart fuelling after fuel cut-off. If this is set high enough, then fuel will never cut, it doesn't work the other way around though like you're asking for. You're better off as you are and just dealing with a time delayed fuel cut if you don't want it fuelling all of the time. |
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dokalanyi
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« Reply #231 on: January 28, 2017, 02:04:13 AM »
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Hello,
I have a few questions
- What does this do for the car (i.e build boost, or some other fancy thing, or is it purely cosmetic)?
- Does it build boost?
- If not, how come, since it's explosions near the turbo, I'd think it's the same principle with the ALS code
Thanks!
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fknbrkn
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mk4 1.8T AUM
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« Reply #232 on: January 28, 2017, 11:12:22 AM »
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no
no
prtially yes
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fa2st
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« Reply #233 on: March 15, 2017, 05:40:30 AM »
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Hello ! I've also tried to make pop and bang; the vw group me7 & med 17 works perfectly. I can not run the system of med 17 & me 7 fiat. attached files.
I changed the following things:
-KFTVSA Ind.507A2 to 2:55 second
-KFTVSAVG Ind 5084C to 2:55 seocnd
-DNMAXH Ind 56086 to 0
-DKFZWMN Ind 5d0e8 to -30
but it does not work .
can you help me?
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Cookiez
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« Reply #234 on: March 21, 2017, 01:41:45 AM »
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anyone tried this on a stock exhaust, saw that the vortex guys thought the backbox would blow up with NLS, so might apply to this as well?
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darkon
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« Reply #235 on: March 21, 2017, 01:46:14 AM »
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anyone tried this on a stock exhaust, saw that the vortex guys thought the backbox would blow up with NLS, so might apply to this as well?
depends on your ignition angle. Just don't go crazy with it and your exhaust will be fine |
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brs
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« Reply #236 on: March 22, 2017, 02:34:42 AM »
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Hi all,
it does not work on MED17.5.20
is there another way ?
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grey
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« Reply #238 on: April 19, 2017, 01:46:35 AM »
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RBPE
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« Reply #239 on: April 19, 2017, 03:27:01 AM »
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Tiptronic owners don't forget; "On projects with CVT transmission (B cvt = true), either KFNWEGM or NWECVTM is selected according to the condition B sacvt." https://www.youtube.com/watch?v=hZQ4JSGGPNgP.S. - Any later Motronic systems are likely to have the same or similar evolutions of this if a CVT/Auto, so could be why it's not working at times depending on conditions? |
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« Last Edit: September 11, 2018, 07:42:19 AM by RBPE »
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