Voyager V6-3.3L VIN R (1999)
approximately 2000 rpm, the gauge reading will be low. This low reading is normal. At idle speed, the gauge reading may be erratic. This is also
normal.
19. If full manifold vacuum is not present at the outlet fitting, but was present at the inlet fitting, replace the valve. Note: The EGR valve, valve control
and attaching hoses are serviced as one assembly. Refer to EGR Valve Removal/installation.