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EGR Boost Control Solenoid: Testing and Inspection





System Inspection


1. Warm up engine to normal operating temperature and let idle.
2. Disconnect the vacuum hose from the EGR boost sensor side of the EGR boost sensor solenoid valve.
3. Put a finger on the port of the EGR boost sensor solenoid valve and verify that no vacuum is felt.

EGR Boost Sensor Solenoid Valve


1. Remove the EGR boost sensor solenoid valve.
2. Blow air into each part and verify that air flows as specified below.




3. If not as specified, replace the EGR boost sensor solenoid valve.
4. Apply battery positive voltage between the terminals of the EGR boost sensor solenoid valve.
5. Blow air into each port and verify that air flows as specified below.




6. If not as specified, replace the EGR boost sensor solenoid valve.