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Home >> Mazda >> 1995 >> RX-7 Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Computerized Engine Controls >> Oxygen Sensor
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Oxygen Sensor

Warm engine to normal operating temperature. Disconnect oxygen sensor. Start engine and measure voltage at sensor wire while accelerating and decelerating engine. Replace sensor if voltage is not as specified. See OXYGEN SENSOR VOLTAGE  table.

OXYGEN SENSOR VOLTAGE

Condition Voltage
Decelerating 0.0-0.4
Accelerating 0.5-1.0
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