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blackdm blackdm is offline
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Car: F82 M4
Exclamation Help ! S55 fuel pressure below target - 08-05-2019, 06:47 AM

My car recently installed the BMS JB4 with MAP6 to impose some restrictions on turbine pressure. However, the problem has arisen. After the 4th gear 6600RPM, the fuel pressure suddenly drops.
ECU fault code:
11A002 fuel pressure below target
11AA03 no description found
11AA05 no description found
Is my high pressure oil pump broken? Or is there a problem with the user settings of JB4 MAP6?
When I was running under MAP 0, the high pressure fuel pressure was steady at 15.
When switching to MAP6, the high pressure fuel pressure will increase to 18.

I provide two date logs, I hope you can help us to see what problem?

By the way, is my JB4 firmware version the latest? Still need to upgrade?
Attached Images
   
Attached Files
File Type: csv 2019-08-05 03_05_25_Map-0.csv (30.2 KB, 95 views)
File Type: csv 2019-08-05 02_46_17_Map-6.csv (24.4 KB, 86 views)


17 F82 M4 dct/ BM3 Custom flash/ BMS JB4 ISO /200 mesh exhaust Top section / BP Racing Metal Chargepipes and J-Pipe / CSF ColdFront / NGK Racing 0.2 / BMS Methanol injection / 763M / Cup2 /Phoenix Racing Intercooler/ EVENTURI INTAKE
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luchocamp luchocamp is offline
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Default 08-05-2019, 08:39 AM

bm3 + jb4 ....uhm try FOL 0 or 60 ...not 70



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blackdm blackdm is offline
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Default 08-05-2019, 09:17 AM

Quote:
Originally Posted by luchocamp
bm3 + jb4 ....uhm try FOL 0 or 60 ...not 70
THANKS FOR YOU,I Try again
:character0264:


17 F82 M4 dct/ BM3 Custom flash/ BMS JB4 ISO /200 mesh exhaust Top section / BP Racing Metal Chargepipes and J-Pipe / CSF ColdFront / NGK Racing 0.2 / BMS Methanol injection / 763M / Cup2 /Phoenix Racing Intercooler/ EVENTURI INTAKE
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blackdm blackdm is offline
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Car: F82 M4
Default 08-05-2019, 09:19 AM

Quote:
Originally Posted by luchocamp
bm3 + jb4 ....uhm try FOL 0 or 60 ...not 70
0-60 Whether it depends on the fuel quality of my location, my 98Ron fuel quality in China is very poor.


17 F82 M4 dct/ BM3 Custom flash/ BMS JB4 ISO /200 mesh exhaust Top section / BP Racing Metal Chargepipes and J-Pipe / CSF ColdFront / NGK Racing 0.2 / BMS Methanol injection / 763M / Cup2 /Phoenix Racing Intercooler/ EVENTURI INTAKE
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