RHY engine code could have Either Bosch EDC 15 c2 system or Siemens SID 801.
The Bosch system as a in-tank fuel pump positive pressure up to the Filter (blow)
The Siemens system , DOES NOT have a in-tank fuel pump. This systems transfers fuel from the tank to filter with negative pressure (suck)
do you not have any tech info on this car , wiring schematics , pin data , fuel system layout ???.
This is really old hat stuff now , and coming up to 14 years old.
On all PAS models ECO mode will never stop the car from starting. Its just the BSI trying to conserve electrical power once the battery state of charge drops below a certain limit.
I would say its SCRAP.
As your scan tool auto ID this system as Siemens. Maybe it is a Bosch system , so can you trust the DTC data. If you insist in trying to fix this then you have to be 100% sure what you are actually working on first?
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