P'UP & Trooper II
Disconnect vacuum hose from EGR valve and connect outside vacuum source, such as hand pump with gauge. Apply about 4 in. Hg and hold this level. Vacuum should not leak down.
Disconnect vacuum hose from EGR valve and connect outside vacuum source, such as hand pump with gauge. Apply about 4 in. Hg and hold this level. Vacuum should not leak down.