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Home >> Mazda >> 1984 >> GLC 2D Hatchback >> Repair and Diagnosis >> Engine Performance >> System >> Feedback Carburetor System >> Testing >> Idle Up System >> System Check
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System Check

  1. Warm engine to operating temperature and run at idle. Turn air conditioner on and check that servo diaphragm stem is raised.
  2. The servo diaphragm is activated when the air conditioner is on and engine speed is 1300 RPM for 626 models and 1400-1900 RPM on GLC models.
  3. Turn air conditioner off.
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