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

Emission Control System

DESCRIPTION
To reduce exhaust gas emissions, the positive crankcase ventilation (PCV) system and fuel evaporative emission system are employed. This system consists of the fuel evaporative emission system, EGR function control system, and PCV system. The purpose of these systems is to reduce CO, HC and NOx emissions.