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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Mixture Control Valve System
Mixture Control Valve:
MIXTURE CONTROL VALVE TESTING1.
Disconnect the larger hose connecting the
mixture control valve with the intake manifold and plug the manifold side.
2.
Check that secondary air continues to blow out from the valve for a few seconds when the throttle is opened full and quickly released.
3.
If secondary air blows for more than 5 seconds, replace the
mixture control valve.