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

Deceleration Mode

Deceleration Mode
The ECM reduces the amount of fuel injected when it detects a decrease in the throttle position and the air flow. When deceleration is very fast, the ECM may cut off fuel completely for short periods.