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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Engine Oil Pressure






Oil Pressure
Engine oil temperature of 80 °C (176 °F)
At idle at least 1.2 to 1.6 bar positive pressure
At 2000 RPM between 2.7 bar and 4.5 bar
At higher engine speeds oil pressure must not exceed 7.0 bar