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

Desired Gas Mass Flow

Display shows the amount of desired alternative gas in grams per second (g/s) from 0 to 512 and in frequency from 0 to 5000 Hz. This display indicates the amount of CNG flow desired by the AF ECU.