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GMC
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1993
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Jimmy Base, 2D Utility, 4.3 Z, 4WD, Automatic
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Sensor Range Charts
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Engine Controls - Sensor Operating Range Charts
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Sensor Operating Range Charts
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Oxygen Sensor
Oxygen Sensor
OXYGEN SENSOR VOLTAGE TEST
(1)
Condition
Volts
Lean
.1
Rich
.9
(1)
Measure voltage between oxygen sensor ground and signal terminals at ECM.