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

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EGR Control Solenoid: Testing and Inspection




EXHAUST GAS RECIRCULATION (EGR) SOLENOID VALVE
The EGR solenoid valve is a duty control type solenoid valve, which leaks EGR valve operating negative pressure to the throttle body A port.

NOTE: If the results of EGR solenoid valve on-vehicle and off-vehicle inspections are normal, but the diagnostic trouble code for EGR system failure is displayed, check the EGR valve, vacuum hose and EGR passage for blocking.




Using GST







Harness Inspection Procedures