Fuel Pressure: Specifications

Note: Technical Service Bulletin (TSB) 91-11B-27 dated 6/14/1991 updates the fuel pressure specification for 1989 and 1990 Taurus/Sable (2.5L). The 2.3L HSC and EFI passenger car engines are not impacted by this TSB.

Engine Running 45 - 60 psi (310 - 415 kPa)
Key ON Engine OFF 50 - 60 psi (345 - 415 kPa)