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Home › Mazda › 2010 › 5 Touring, 2.3 L › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Control System [L3] › Air Fuel Ratio (A/F) Sensor Inspection › A/F Sensor Circuit Open/short Inspection › Notes

A/F Sensor Circuit Open/short Inspection: Notes

  1. Disconnect the PCM connector.
  2. Disconnect the A/F sensor connector.
  3. Inspect the following wiring harnesses for an open or short circuit. (Continuity inspection)
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