EGR Valve: Testing and Inspection

Inspection
1. Start the engine and let it idle.




2. Connect a vacuum pump as shown and apply vacuum.
3. Verify that the engine runs roughly or stalls at more than the specified vacuum.

Specification: 5.4-11 kPa (1.6-3.5 inHg)

4. If not as specified, replace the EGR valve.