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)

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EGR Control Solenoid: Testing and Inspection

^ Disconnect the vacuum hoses.
^ Blow into the EGR valve and verify that air does not flow.
^ Disconnect the EGR valve electrical connector.

EGR Solenoid Control Valve:




^ Apply battery voltage and ground to the EGR control solenoid valve as shown.
^ Blow through the EGR control solenoid valve and verify that air flows.
^ If not as specified, replace the EGR control solenoid valve.