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Author Topic: can anti-jerk cause jerking?  (Read 5661 times)
ricekikr
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« on: December 10, 2015, 09:03:48 AM »

Can anti-jerk cause jerking?

Anti-jerking works by reducing timing right?

Is there another way of turning it off other than upper/lower treshold or tmot? Couldn't find these maps on a m5.92
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adam-
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« Reply #1 on: December 10, 2015, 09:15:00 AM »

Yes it does, yes it does. 
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ricekikr
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« Reply #2 on: December 10, 2015, 06:50:53 PM »

Thanks for the info ☺
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adam-
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« Reply #3 on: December 11, 2015, 01:06:50 AM »

I don't have any more info on ME5x though Sad sorry.  The maps for anti-jerk are on the Wiki.  The whole concept is that if it's tuned properly, it won't cause an issue.  Disabling all the maps is just a fudge.
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ddillenger
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« Reply #4 on: December 11, 2015, 01:42:40 AM »

I don't have any more info on ME5x though Sad sorry.  The maps for anti-jerk are on the Wiki.  The whole concept is that if it's tuned properly, it won't cause an issue.  Disabling all the maps is just a fudge.

E=Electronic throttle.

M5.92.
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adam-
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« Reply #5 on: December 11, 2015, 02:33:54 AM »


I don't have any more info on ME5x though Sad sorry.  The maps for anti-jerk are on the Wiki.  The whole concept is that if it's tuned properly, it won't cause an issue.  Disabling all the maps is just a fudge.

E=Electronic throttle.

M5.92.

Thanks DD.  Learn something new every day.

But,  I don't have any more info on M5.92 though sorry. Sad   The maps for anti-jerk are on the Wiki.  The whole concept is that if it's tuned properly, it won't cause an issue.  Disabling all the maps is just a fudge.
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dream3R
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« Reply #6 on: December 11, 2015, 03:35:48 AM »

Thread title - love it  Grin Grin Grin
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How to work out values from an A2L Smiley

http://nefariousmotorsports.com/forum/index.php?topic=5525.msg52371#msg52371


Starting Rev's http://nefariousmotorsports.com/forum/index.php?topic=5397.msg51169#msg51169

noobs read this before asking http://nefariousmotorsports.com/forum/index.php?topic=9014.0title=


ORGORIGINAL 05 5120 creator for Volvo
ORIGINAL Datalogger (Freeware) Author
ORGINAL finder of the 'extra' torque' limits
I don't have ME7.01 A2L I just use ID
ricekikr
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« Reply #7 on: December 12, 2015, 08:03:42 AM »

I think I found it. Removed the jerkiness at part throttle and some idle issues that could've been related. Need to do further tests (specifically a cold morning start).

Deka 870cc 1.8t AEB.

Fixed idle bounce (happens when revs are dropping from a higher rpm), hesitation when stepping on throttle coming off idle and part throttle jerkiness

1. Added idle ignition timing 600 rpm set to 13.5 (Original was 12 to -3), 800rpm and 1000rpm set 12 (original was 12 to 2.5).
2. Added back some accel enrich at 800 and 1000rpm
3. Turned off (i think) anti-jerk by setting TMLWSD to FF (Engine temp threshold to 143C from -48C)

Maps for M592 557P (not entirely sure these maps are for Anti-jerk though, USE WITH CAUTION)

TMLWSD (Engine temperature threshold for load change shock damping Motortemperaturschwelle für Lastwechselschlagdämpfung) = 6F53 and 6F61

VLWSD (Speed threshold for load change shock damping Geschwindigkeitsschwelle für Lastwechselschlagdämpfung) = 6F52 and 6F60
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dream3R
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« Reply #8 on: December 20, 2015, 12:30:21 AM »

sorry for being OT, but this thread title just makes me laff  Grin Grin Grin
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How to work out values from an A2L Smiley

http://nefariousmotorsports.com/forum/index.php?topic=5525.msg52371#msg52371


Starting Rev's http://nefariousmotorsports.com/forum/index.php?topic=5397.msg51169#msg51169

noobs read this before asking http://nefariousmotorsports.com/forum/index.php?topic=9014.0title=


ORGORIGINAL 05 5120 creator for Volvo
ORIGINAL Datalogger (Freeware) Author
ORGINAL finder of the 'extra' torque' limits
I don't have ME7.01 A2L I just use ID
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