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GMC
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1992
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Forward Control 7.4 N
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Repair and Diagnosis
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Engine Performance
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Remove, Overhaul & Install
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Engine Controls - Remove/Install/Overhaul
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Oxygen (O2) Sensor
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Notes
Oxygen (O2) Sensor: Notes
CAUTION:
O2 sensor is equipped with a permanent pigtail, which must be protected to prevent damage when removing sensor.