Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Execution Condition
2016 Subaru Legacy 2.5iSECTION Execution Condition
| Secondary Parameters | Execution condition |
|---|---|
| Battery voltage | ≥ 10.9 V |
| Sub feedback | In operation |
| Amount of intake air | ≥ 10 g/s (0.35 oz/s) |
| Estimated temperature of the rear oxygen sensor element | ≥ 500 °C (932 °F) |
| Enable conditions at interrupt control are as follows | |
| Air fuel ratio reduced from target air fuel ratio | = Value of Map |
| Continuous time when rear oxygen sensor output voltage is less than 0.55 V | ≥ 5000 ms |
VOLTAGE SPECIFICATION - MAP
| Output voltage of rear oxygen sensor V | 0.0 | 0.15 | 0.2 | 0.4 | 0.6 |
| Air fuel ratio reduced from target air fuel ratio % | 15 | 15 | 4 | 4 | 4 |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.