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Home >> Subaru >> 2022 >> Outback Premium >> Repair and Diagnosis >> Engine Mechanical >> Fuel System >> Fuel Injection System (2.5L) >> Rear Oxygen Sensor >> Inspection
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Rear Oxygen Sensor: Inspection

  1. Check that the rear oxygen sensor has no deformation, cracks or other damages.
  2. Measure the resistance between rear oxygen sensor terminals.
G13947227Courtesy of SUBARU OF AMERICA, INC.
Terminal No. Standard
1 and 2 5.6+0.8-0.6 Ω (when 20°C (68°F))