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Home >> Nissan-Datsun >> 1983 >> Sentra Base, 2D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Shut-Off System >> Component Testing >> Component Check >> Vacuum Amplifier (Pickups)
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Vacuum Amplifier (Pickups)

  1. Disconnect lead hose that connects vacuum amplifier to EGR valve and set T-connector and vacuum gauge. When idling, make sure that vacuum gauge reading is within 5.3-6.5 in. Hg. If EGR vacuum is excessively outside specified range, replace vacuum amplifier.
  2. When engine speed is at about 2000 RPM, make sure that vacuum gauge reading is within 11.2-12.8 in. Hg. If EGR vacuum is excessively outside specified range, replace vacuum amplifier.
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