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GMC
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1997
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Forward Control 7.4 J
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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 - 7.4L (P Series)
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Fuel System
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Oxygen Sensor
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Notes
Oxygen Sensor: Notes
CAUTION:
Oxygen sensor is equipped with a permanent pigtail, which must be protected to prevent damage when removing sensor.