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.
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HOMESERVICE MANUALSSUBARU2022IMPREZA BASE, 4D SEDAN, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 27 (ENGINE CONTROL SYSTEM (HEV) (DIAGNOSTICS) (1 OF 4))DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)DTC P013F: O2 SENSOR DELAYED RESPONSE - LEAN TO RICH BANK 1 SENSOR 2EXECUTION CONDITION
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT Trans
Execution Condition
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT TransSECTION Execution Condition
WARNING: This page is about a different car, the 2022 Subaru Crosstrek. However, it is still accessible from the selected car via links, so may be relevant.
| Secondary parameters | Execution condition |
|---|---|
| Battery voltage | 10.9 V or more Following condition A or B is met |
| A: Lambda value | 0.99 or less |
| B: Main feedback | In operation |
| Rear oxygen sensor voltage when fuel cut ends | Less than 0.15V |
| (Elapsed time of fuel cut | More than 896 ms |
| Fuel shut-off function thereafter) | Not in operation |
| Rear oxygen sensor element impedance | 185Ξ© or less |
| CSERS monitoring status | OFF |
| Compensation to rich | Rich |
| Amount of intake air | 15g/s (0.53 oz/s) or more |
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.