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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Computers and Control Systems: Description and Operation

System Diagram:





This system, Fig. 5 consist of a control unit, slow cut solenoid valve, clutch and neutral switch, and idle switch. It regulates fuel flow depending on engine load and ignition shut down preventing "run on".