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)

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Clear Flood Mode


A flooded engine should be cleared by fully depressing the accelerator pedal, which causes the ECM to pulse injectors at a rate of 25.5:1. The ECM will maintain this injector rate as long as throttle is wide open and engine speed is less than approximately 600 RPM. When throttle position becomes less than 80%, the ECM returns to the ``starting'' mode.