|
Title: Problem with HPFP demand in MED-9.1 Post by: Albertoak on March 27, 2020, 01:22:48 AM Hey guys!!!
Here I go again with a new problem / challenge ... After reviewing the HPLP post on med9 several times and adjusting all the maps as I believe correct to demand 130bar: KFPRSOLHKS = 130bar KFPRSOLHMM = 130bar KFPRSOLHOM = 130bar KFPRSOLKH = 130bar KFPRSOLOFF = 0bar KFPRSOLSCH = 130bar KLLFPRSG = 130bar = 0,509716 KLPRMAX = 130bar VHDP = 407,32 mm RQUAHDPK = 24,01mm SKHDPMX = 5,4mm PGBDVHDO = 136bar KLPROV = 136bar PRNL1 = 130bar I have an INTEGRATEED pump up to 155bar, PRV RS4 (136bar) and the last ref. Hitachi pump. LPFP stock. 2.0tfsi CDLD engine I do not understand why the ecu ends up demanding 140 bar and in the gear change 1 peak of up to 160 bar is reflected ... https://youtu.be/AehYRV9POxY In the video it is seen in this order in polarfis: HPFP sued HPFP obtained LPFP cycles LPFP pressure Attached capture of all modified HPFP maps. (https://i.ibb.co/7Jb0swz/HPFP.png) (https://ibb.co/PZtVq7Y) And the LPFP maps (https://i.ibb.co/zbLLV3d/LPFP.png) (https://ibb.co/VDhhYF6) Something escapes, but I don't know what ... Thanks in advance. Title: Re: Problem with HPLP demand in MED-9.1 Post by: Tezotto01 on March 27, 2020, 06:58:29 AM if you read the FR correctly you will see that the ECU requests 140Bar because in deceleration the real pressure = requested pressure.
This sensor measures at max up to 140, that is, if your current pressure is reaching this value your pressure may be going much higher ... Title: Re: Problem with HPLP demand in MED-9.1 Post by: Albertoak on March 27, 2020, 07:29:58 AM if you read the FR correctly you will see that the ECU requests 140Bar because in deceleration the real pressure = requested pressure. This sensor measures at max up to 140, that is, if your current pressure is reaching this value your pressure may be going much higher ... I do not understand what it means ... in the video you can see that it is not a slowdown. it is an acceleration. I not understand what you're saying... ... and I understand that the HPFP sensor measures up to 200 Bar, according to table V vs Bar. Title: Re: Problem with HPLP demand in MED-9.1 Post by: IamwhoIam on March 27, 2020, 07:34:35 AM How about posting real logs instead of videos?
Title: Re: Problem with HPLP demand in MED-9.1 Post by: Albertoak on March 27, 2020, 07:40:07 AM How about posting real logs instead of videos? the video shows perfectly how the HPFP reacts. you need to see more and I inform you. I think this is a common bad that happens in 2.0 tfsi CDL engines and that several people in this forum have already solved. It would be nice if they wrote. @Tezotto01. is one of them because of what he said in the HPFP post principal. but I don't understand what he meant ... Title: Re: Problem with HPLP demand in MED-9.1 Post by: Albertoak on March 29, 2020, 04:10:17 AM if you read the FR correctly you will see that the ECU requests 140Bar because in deceleration the real pressure = requested pressure. This sensor measures at max up to 140, that is, if your current pressure is reaching this value your pressure may be going much higher ... I don't understand why you said about the sensor ... there you see the KLPRAIL table. I guess maybe you mean tfsi k03 ... (https://i.ibb.co/MkH2nJX/Sin-t-tulo.png) (https://imgbb.com/) |