EGR Valve: Testing and Inspection

EGR VALVE INSPECTION
1. Start the engine and let it idle.




2. Connect a vacuum pump as shown and apply vacuum.

Specification: -8.7 to -11 kPa (-2.6 to -3.5 in.Hg)

3. Verify that the engine runs roughly or stalls at more than the specified vacuum.
4. If not as specified, replace the EGR valve.