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

Poor Driveability


1. Improper fuel mixture.
2. Abnormal air flow from jet air mixture.
3. Fuel leakage from deceleration device.
4. Loose vacuum hose in heated air inlet system.
5. Broken air control valve in heated air inlet system.
6. Disconnected air cleaner snorkel.