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.