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Home >> Mazda >> 1983 >> 626 Base, 4D Hatchback >> Repair and Diagnosis >> Engine Performance >> System >> Deceleration Control System >> System Testing >> Slow Fuel Cut System >> Idle Switch

Idle Switch

  1. Warm engine to normal operating temperature. Stop engine and disconnect electrical connector from switch (located on carburetor under thermostat housing).
  2. Depress accelerator pedal. Continuity should exist between Light Green/Red and Light Green/Black wires.
  3. Fully release accelerator; no continuity should exist. If switch does not operate as outlined, adjust or replace accelerator switch.
  4. To adjust accelerator switch, warm engine to normal operating temperature and run at idle speed. Adjust idle if necessary. Loosen accelerator switch adjusting screw completely.
  5. Gradually tighten adjusting screw until "clicking" sound is heard. Complete adjustment by turning adjusting screw an additional 1 1/4-1 1/2 turns and retest switch.
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