626 ES V6-2.5L DOHC (1997)
EGR Valve: Testing and Inspection
Inspection
1. Start the engine and let it idle.
EGR Valve Vacuum Inspection
2. Connect a vacuum pump as shown in the figure and apply vacuum.
3. Verify that the engine runs roughly or stalls at more than the specified vacuum.
Specification: 3.4-9.9 kPa (26-75 mm/Hg, 1.0-2.9 in.Hg)
4. If not as specified, replace the EGR valve.
