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

FUEL PUMP MAX. PRESSURE (unregulated): 71 - 92 psi (491 - 638 kPa)
HOLD PRESSURE (After 5 minutes): More than 343 kPa (50 psi)

FUEL LINE PRESSURE (engine running, regulator disconnected): 206 - 264 kPa (30 - 38 psi)
FUEL LINE PRESSURE (engine running, regulator connected): 255 - 313 kPa (37 - 45 psi)