What Is The Reason For The High Exhaust Pressure Of The Air Compressor?

1) Intake valve malfunction; Unable to close during uninstallation;
2) Import loading solenoid valve failure;
3) The pressure setting is too high;
4) Pressure sensor (control unit) malfunction;
5) Pressure gauge malfunction (relay control unit);
6) Pressure switch (relay control unit) faulty.