Reply To: Noisy fuel pump (Facet) Welcome to the Allard Owners Club. › Forums › Technical Talk › Noisy fuel pump (Facet) › Reply To: Noisy fuel pump (Facet) January 24, 2022 at 10:32 am #6935 Bart RatkiewiczParticipant The Face runs continually unlike say an SU which has a pressure switch. I suggest you fit a pressure regulator and adjust it to suit your engine’s fuel system. Mel