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

Results of Incorrect Operation

A plugged PCV hose may cause the following conditions:
^ A rough idle
^ Stalling or a slow idle speed
^ Oil leaks
^ Sludge in the engine

A leaking hose would cause the following conditions:
^ A rough idle
^ Stalling
^ A high idle speed