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Home >> Mazda >> 1984 >> 626 DX, 2D Coupe, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Slow Fuel Cut System >> System Testing >> Coasting Richer System (626) >> Notes
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Coasting Richer System (626): Notes

  1. Bring engine to operating temperature and run at idle speed. Unplug neutral switch connector. Connect voltmeter to Brown/Black terminal of check connector. Voltmeter should register 12V.
  2. Increase engine speed and push the idle switch button. Above 2000 RPM and below 1400 RPM, the voltmeter should read 12V. Between 1400 and 2000 RPM, the voltage should be 1.5V.
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