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

Run-on/Dieseling

When ignition is shut "OFF," fuel system power is also cut. While this makes it highly unlikely that run-on will occur, the following components could leak enough fuel to cause the problem:

^ Leaking fuel injector
^ Leaking fuel pressure regulator diaphragm