its the input current given to pcv (pressure control valve ) to open the valve in order to send back the fuel to tank to maintain required pressure,which is solenoid .. i think so.. if it fails to open a pressure limiting valve / relief valve which operates mwchanically through spring open when the maximum permissible pressure of the system is exceeded
Please I’m also a common rail injector’s specialist in Ghana …. Bah I want to travel n learn more About diesel injection system.please if u can help me 🙏🏼
