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
If it fails: lemon-manuals.org.ua

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Emission Control Systems: Service Precautions

CAUTION: Do not remove the PCV system from the engine. Operating engine without the PCV system will reduce both fuel economy and engine ventilation. This will weaken engine performance and shorten engine life.