Mike's Workshop Manuals
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Mazda
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2005
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6 s, 4D Hatchback, Standard
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Repair and Diagnosis
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Engine Performance
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Engine Control Systems
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Engine Control System (AJ)
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Heated Oxygen Sensor (Ho2S) Inspection
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HO2S circuit open/short inspection (sensor)
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Notes
HO2S circuit open/short inspection (sensor): Notes
Disconnect the PCM connector.
Inspect the following wiring harnesses for an open or short circuit. (Continuity inspection)