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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Air Flow Meter/Sensor: Description and Operation
The
air flow sensor measures the intake air volume the air flow rate. This information is then sent to the ECU as the intake air volume signal. The ECU uses this intake air volume signal to decide the basic fuel injection duration.