EGR Valve
Remove EGR valve. Check for deposits or sticking. Clean as necessary to insure tight valve seat. Connect a hand vacuum pump to valve nipple. Plug second nipple (if equipped). Apply 19.4 in. Hg. Valve should hold vacuum.
Remove EGR valve. Check for deposits or sticking. Clean as necessary to insure tight valve seat. Connect a hand vacuum pump to valve nipple. Plug second nipple (if equipped). Apply 19.4 in. Hg. Valve should hold vacuum.