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)

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Exhaust Gas Recirculation System, Overview

Notes:
Function/control of the EGR system is checked via Motronic On Board Diagnostic system.
Components marked with an * are checked via On Board Diagnostic procedure.
Components marked with ** are checked via Output Diagnostic Test Mode.
Always replace sealing rings and gaskets when assembling.
Vacuum lines and hose connections must be leak-tight.
Vacuum lines must not be blocked or kinked.