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Home >> Toyota >> 1984 >> Pickup Base, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> EGR Function Testing - Diesel >> Component Testing >> Vacuum Pump
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Vacuum Pump

Connect a vacuum gauge to outlet pipe of vacuum pump. Warm up engine, and check that vacuum gauge indicates above 25.6 in. Hg If a problem is found, vacuum pump must be repaired.