Montero Sport 2WD V6-3.0L SOHC (1997)
EGR Valve: Testing and Inspection
1. Removal the EGR valve and inspect for sticking, carbon deposits, etc. If found, clean with a suitable solvent so that the valve seats correctly.
2. Connect a hand vacuum pump to the EGR valve.
3. Apply 67 kPa (20 in Hg) of vacuum and check to be sure that the vacuum is maintained.
4. Apply a vacuum and check the passage of air by blowing through one side of the EGR passage.
5. Reinstall the EGR valve, using a new gasket and tighten to the specified torque.
Tightening torque:
21 N.m (16 lb-ft)
