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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Idle Air Control System
IDLE AIR CONTROL SYSTEM / OUTLINE The idle air control system improves engine starting, idling, stability, and running performance by adjusting the volume of air bypassing the throttle valve to the optimum level corresponding to each engine operating condition.