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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Fuel Pressure: Specifications

FUEL PUMP PRESSURE (UNREGULATED) 64 - 85 psi (441 - 589 kPa)

FUEL SYSTEM PRESSURE (REGULATED)
W/18" - 21" Hg Vacuum To Pressure Regulator 30 - 37 psi (206 - 255 kPa)
W/No Vacuum To Pressure Regulator 38 - 46 psi (265 - 314 kPa)

FUEL SYSTEM RESIDUAL PRESSURE 21 psi (147 kPa) min.

AIR VALVE
Air Valve Operating Range Closed Above 140°F (60°C)