Rear Oxygen Sensor: Inspection
WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
- Check that the rear oxygen sensor has no deformation, cracks or other damages.
- Measure the resistance between rear oxygen sensor terminals.
 Courtesy of SUBARU OF AMERICA, INC.
|
| Terminal No. |
Standard |
| 1 - 2 |
5.4 - 6.6 Ω (at 23°C (73°F)) |