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Home >> Volvo >> 1976 >> 264 Base, Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Auxiliary Emission Control Systems >> Exhaust Gas RECIRCULATION >> Testing >> EGR System Test >> 1979 Models
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1979 Models

  1. With engine at normal operating temperature, increase engine speed and observe the movement of the EGR valve rod in the window of the valve housing. Rod should move upwards, opening EGR valve and allowing exhaust gas recirculation.
  2. Release throttle quickly and observe that the valve closes, shutting off exhaust gas recirculation. If EGR valve does not operate as specified, it should be replaced.
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