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Title: Me7 problem with calculated Engine Torque (Nm) after changing KFMIOP/KFMIRL Post by: vagenwerk on March 29, 2013, 01:51:46 PM Hi
I noticed that changing (increased last 3 vaules in axis and columns) KFMIOP/KFMIRL affects readings on 120block (calculation of engine torque - Nm). On stock KFMIOP/KFMIRL i have 300NM, after i increased last 3 values in KFMIRL and increased last value in KFMIOP AXIS torque on 120block is lower and indicate only 270Nm, but in reality there is still 300Nm. Which map correspond to KFMIOP/KFMIRL and needs to be changed ? Title: Re: Me7 problem with calculated Engine Torque (Nm) after changing KFMIOP/KFMIRL Post by: phila_dot on March 29, 2013, 02:14:10 PM Why are you writing "KFMIOP/KFMIRL"?
KFMIRL has nothing to do with it. The variable you're referring to is miist_w and it is just the output of KFMIOP corrected by lambda and ignition angle efficiency. Edit: just took a look and Nm is calculated from (miist_w - mdverl_w) * MDNORM Title: Re: Me7 problem with calculated Engine Torque (Nm) after changing KFMIOP/KFMIRL Post by: vagenwerk on March 30, 2013, 07:14:21 AM You wrote Nm is calculated from (miist_w - mdverl_w) * MDNORM and i increased KFMIOP , so now Nm should be higher than before ? but on 120block Nm are decreased.
miist_w =KFMIOP which was already increased , rest is stock, MDNORM stay 400Nm stock. how to calculate increased value of MDNORM ? mdverl_w - which map reffers to it ? Title: Re: Me7 problem with calculated Engine Torque (Nm) after changing KFMIOP/KFMIRL Post by: phila_dot on March 30, 2013, 08:01:43 AM This value is for tester only and means nothing.
A quick search of the FR would answer you question... Anyway, did you rescale KFMIOP load axis? It is shared with a few other maps. One being KFMDS. Title: Re: Me7 problem with calculated Engine Torque (Nm) after changing KFMIOP/KFMIRL Post by: vagenwerk on March 30, 2013, 08:54:42 AM i search in fr , but it is quite complicated i think
yes i rescaled KFMIOP load axis only last higher value. rest is stock, and Nm are about 30Nm lower than before scaling KFMIOP. KFMDS is stock now- have to be changed ? Title: Re: Me7 problem with calculated Engine Torque (Nm) after changing KFMIOP/KFMIRL Post by: masterj on March 30, 2013, 09:04:38 AM i search in fr , but it is quite complicated i think yes i rescaled KFMIOP load axis only last higher value. rest is stock, and Nm are about 30Nm lower than before scaling KFMIOP. KFMDS is stock now- have to be changed ? Since KFMDS shares same axis (as few other maps too) you have to rescale these maps based on new axis info. Title: Re: Me7 problem with calculated Engine Torque (Nm) after changing KFMIOP/KFMIRL Post by: vagenwerk on March 30, 2013, 09:08:59 AM i found Your topic Masterj with same problem, now i have to find KFMDS , because i haven't defined it in my mappack. probably it is near start 2782B y 13064 x axis 1684A in my file
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