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Title: Help locating MOLFS in 4B0907558M 0261204179 357496 1.8T AEB M592 Post by: Placebo on July 26, 2017, 11:47:39 AM Changing my MAF sensor housing and need to scale MOLFS but want to double check the location for my bin. Bin is attached.
I think I have it located at 06E8E but would very much appreciate if someone can confirm that this is correct. Thanks for whatever info you can share. Title: Re: Help locating MOLFS in 4B0907558M 0261204179 357496 1.8T AEB M592 Post by: Placebo on July 26, 2017, 02:43:41 PM Oops, I meant the map MLOFS (if not obvious) for Kennlinienoffset HFM 5 :-[
Title: Re: Help locating MOLFS in 4B0907558M 0261204179 357496 1.8T AEB M592 Post by: error1997 on July 27, 2017, 03:31:45 AM This ecu does not have MLOFS , check in the damoses below . See in folder " GGHFM: A 44. 2 Gebersignal HFM " what maps are used for translating MAF voltage to airflow .
Title: Re: Help locating MOLFS in 4B0907558M 0261204179 357496 1.8T AEB M592 Post by: Placebo on July 27, 2017, 11:04:06 AM Thanks for this info. Very helpful and I can quit scouring for a known location of MLOFS.
I see most people when scaling for larger diameter MAF adjusting the offset of MLOFS (normally 200) by the same scaling factor. Not sure how others do it for this ECU but since I could never find my MLOFS value (does not exist) I account for the 200 offset algebraically when I apply my % scaling factor for the larger diameter so my values still zero out at the low voltage range. Seems to work. |