Front Oxygen (A/F) Sensor: Inspection
WARNING: This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
- Check that the front oxygen (A/F) sensor has no deformation, cracks or other damages.
- Measure the resistance between front oxygen (A/F) sensor terminals.
Courtesy of SUBARU OF AMERICA, INC. TERMINAL RESISTANCE REFERENCE CHART
| Terminal No. |
Standard |
| 1 and 2 |
2.2+045-0.22
Ω (when 20°C (68°F)) |