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)

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Fuel Pressure

FUEL PUMP
Controlled pressure [1] 28 - 35 psi (195 - 245 kPa)
Uncontrolled pressure [2] 36 - 43 psi (255 - 305 kPa)
Displacement 230 cc minimum in 10 seconds


[1] With vacuum hose connected at regulator
[2] With vacuum hose disconnected at regulator