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2001
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Sierra 1500 HD, RWD
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Repair and Diagnosis
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Engine Performance
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Engine Controls - 4.8L, 5.3L, And 6.0L - Component Locator
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Component Locator
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Engine Controls Component Views
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Oxygen Sensor Identification (4.8L/5.3L/6.0L)
Oxygen Sensor Identification (4.8L/5.3L/6.0L)
Fig 1: Oxygen Sensor Type Identification
Courtesy of GENERAL MOTORS COMPANY
Callout
Component Name
1
Delphi Sensor- Case Grounded
2
Denso Sensor- Isolated Grounded