EGR Valve Position Sensor: Testing and Inspection

Inspection
1. Remove the EGR valve.
2. Connect an ohmmeter between the terminals.
3. Connect a vacuum pump as shown and apply vacuum.
4. Verify that continuity exists between the EGR function sensor terminals when applied vacuum reaches the specified level and above.

Specification: 85-115 mmHg (3.3-4.5 inHg)

5. If not as specified, replace EGR valve.