September 30: LEMON manuals is back up on a temporary server! Slowness is possible

EGR Control Valve

Remove EGR valve and connect a vacuum pump. Plug other nipple(s) if equipped. Using a vacuum pump, apply 19.8 in. Hg and ensure valve holds. With 2.3 in. Hg applied, air should not blow through valve. With 6.8 in. Hg applied, air should blow through valve.