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

Powertrain Management: Service Precautions





Fire Risk
^ Maximum care must be taken to avoid sparking during any fuel system work, especially when checking injectors.





High Voltage Warning
^ Since ignition system operates at high voltage, It is dangerous to touch high-tension circuit components such as ignition coil, spark plug caps or distributor cap.
^ Dangerous voltages are present in the entire system i.e. at connectors etc.