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 Fuel Economy


1. Float level too high.
2. Restricted air cleaner.
3. Loose metering jet(s).
4. Worn or damaged gasket.
5. Incorrect choke valve opening.
6. Incorrect adjusted curb idle speed.
7. Dirty air cleaner element.
8. Defective air/fuel solenoid.