Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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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)