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)

Or, hide this message: temporarily or permanently

Air Flow Meter/Sensor

Engine - Intake mass air flow Engine calculated load value

At idle:
750 - 950 rpm M/T - 2.2-3.1 g/s 15.0-18.8 %
700 - 900 rpm A/T - 2.3-3.4 g/s 17.1-21.0 %
At cruise:
2500 rpm M/T neutral - 6.8-7.3 g/s 14.0-17.0 %
2500 rpm A/T neutral - 7.9-8.5 g/s 16.0-19.0 %