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

Engine Oil Pressure

Oil Pressure at Curb Idle Speed* 25 kPa (4 psi min)
Oil Pressure at 3000 rpm 170-550 kpa (25-80 psi)

*CAUTION: If oil pressure is 0 at idle, do not perform the 3000 RPM test