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Home >> Isuzu >> 1987 >> Trooper II LS, 2.2 U >> Repair and Diagnosis >> Engine Performance >> System >> EGR Function Testing - Diesel >> Component Testing >> EGR Valve

EGR Valve

Using vacuum pump, check vacuum diaphragm operation. Diaphragm should not "leak down" and should move to full up position at about 11.8-15.8 in. Hg. See Figure .

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