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

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General System


This system, Electronic Gas Injection (EGI) system consists of the fuel pump, pressure regulator, injectors and, a pulsation damper.
The control unit monitors the various sensors and then determines the amount of time the injectors are opened.
The injectors are directly supplied with battery voltage through the main relay. The connector for the injectors is blue with normally aspirated engine and black on turbocharged engine.