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Home >> Isuzu >> 1988 >> Pickup Base, 4WD, Standard >> Repair and Diagnosis >> Engine Performance >> System >> EGR System >> Component Testing >> EGR Valve >> Pickup & Trooper II

Pickup & 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.

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