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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CO Adjustment Screw

CIS-E CO Adjustment Screw:





The CO Adjustment Screw is located between the air flow sensor and the fuel distributor. It can only be reached and adjusted after removing the anti-tampering plug in the top of the air flow sensor housing.