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 MANUALSSUBARU2014FORESTER 2.5I, ENG CD FB25BA, STANDARD TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM (DIAGNOSTICS) (H4DO)DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)DTC P013E: O2 SENSOR DELAYED RESPONSE - RICH TO LEAN (BANK 1 SENSOR 2)
2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard Trans
DTC P013E: O2 Sensor Delayed Response - Rich To Lean (Bank 1 Sensor 2)
2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard TransSECTION DTC P013E: O2 Sensor Delayed Response - Rich To Lean (Bank 1 Sensor 2)
NOTE:
For the diagnostic procedure, refer to DTC P013A. < Ref. to
DTC P013A O2 SENSOR SLOW RESPONSE - RICH TO LEAN (BANK 1 SENSOR 2) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
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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.