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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EGR Control Solenoid: Testing and Inspection

1. Check resistance between terminals. If resistance is not 32.7-39.9 ohms, replace the valve.
2. Check resistance between either terminal and body. If resistance is not at least 1M ohms, replace the valve.
3. Check vacuum passage for opening and closing operation by applying electric current to terminals. Replace valve as necessary.