GMC Workshop Service and Repair Manuals > V 3500 P/U 4WD V8-454 7.4L VIN W 4-bbl (1988) > Sensors and Switches | Sensors and Switches - Powertrain Management | Sensors and Switches - Computers and Control Systems | Oxygen Sensor | Component Information | Technical Service Bulletins

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Oxygen Sensor: Locations

Oxygen Sensor

LH Rear Of Exhaust Manifold

Applicable to: V8-454/7.4L Engine

GMC Workshop Service and Repair Manuals