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Impreza Base
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Sensor Operating Range Charts
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Oxygen (O2) Sensor
Oxygen (O2) Sensor
OXYGEN (O2) SENSOR VOLTAGE
Application
Volts
Loyale (California)
Black/White Wire & Ground
10 Or Less
White Wire & Ground
0.05 Or More
All Others
(1)
0.1-0.9
(1)
With engine running, measure voltage between oxygen sensor connector terminal and ground.