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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Controls And Fuel - 4.3L (LV1) - Repair Instructions) >> Repair Instructions >> Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 >> Installation Procedure

Installation Procedure

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  1. GM4850126Courtesy of GENERAL MOTORS COMPANY

    Use the J-39194 - B  wrench to install the heated oxygen sensor (2) and tighten to 42 N.m (31 lb ft).

  2. Connect the heated oxygen sensor wiring connector (1) to the engine wiring harness.
  3. Lower the vehicle.
  4. Connect the battery negative cable. Battery Negative Cable Disconnection and Connection (Single Battery) , or Battery Negative Cable Disconnection and Connection (Dual Battery)