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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Description


This system is designed to control the formation of HC and CO emissions and improve driveability in high altitude areas. In order to ensure decreased exhaust emission, the injection timing must be changed and the EGR control unit must be replaced.