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Subaru P0130

Front O2 Sensor Circuit Malfunction ...............................................06/95 Rough Idle on MPFI Vehicles

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService need is not established by the supplied evidence. Professional diagnosis is appropriate because the evidence identifies a sensor-circuit malfunction but provides no verified repair procedure.
Confidence95%

Quick answer

P0130 is listed in the supplied Subaru evidence as “Front O2 Sensor Circuit Malfunction.” The same source index associates it with “Rough Idle on MPFI Vehicles” and identifies a 1995MY Subaru Legacy entry. The supplied evidence does not establish this code’s applicability to the listed modern Subaru vehicles.

This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.

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1. What does P0130 mean?

P0130 is listed in the supplied Subaru evidence as “Front O2 Sensor Circuit Malfunction.” The same source index associates it with “Rough Idle on MPFI Vehicles” and identifies a 1995MY Subaru Legacy entry. The supplied evidence does not establish this code’s applicability to the listed modern Subaru vehicles.

2. Technical explanation

The verified source summaries are NHTSA-hosted Subaru manufacturer communications that index an article titled “1995MY Subaru Legacy DTC P0130 - Front O2 Sensor Circuit Malfunction” and separately show “Rough Idle on MPFI Vehicles.” They do not provide diagnostic steps, test values, component-location details, or a confirmed repair procedure in the supplied evidence.

3. What system is affected?

The supplied evidence identifies the front O2 sensor circuit. No further system description is established by verified evidence.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • Rough idle on MPFI vehicles is referenced in the supplied source index.
  • No other symptoms are established by verified evidence.

6. Possible causes

  • A front O2 sensor circuit malfunction is the meaning supplied for P0130.
  • Specific underlying causes are not yet established by verified evidence.

7. Can I still drive the vehicle?

Not yet established by verified evidence.

8. Can I charge the vehicle?

Not yet established by verified evidence.

9. What you can safely do

  • Arrange professional diagnosis if P0130 is present.
  • Do not attempt high-voltage-system repair procedures; no high-voltage repair guidance is provided by the evidence.

10. Step-by-step troubleshooting

  1. Have a qualified technician confirm the stored DTC and diagnose the front O2 sensor circuit using applicable Subaru service information.
  2. Specific troubleshooting tests are not yet established by verified evidence.

11. When to contact service

Service need is not established by the supplied evidence. Professional diagnosis is appropriate because the evidence identifies a sensor-circuit malfunction but provides no verified repair procedure.

12. What the service center may check

  • Confirm whether P0130 is stored.
  • Diagnose the front O2 sensor circuit using applicable Subaru service information.
  • No additional service checks are established by verified evidence.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication PDF 11036794, published August 5, 2026, indexes “1995MY Subaru Legacy DTC P0130 - Front O2 Sensor Circuit Malfunction.”
  • NHTSA Manufacturer Communication PDF 11024859, published October 28, 2025, indexes the same P0130 entry.
  • NHTSA Manufacturer Communication PDF 11024863, published October 28, 2025, indexes the same P0130 entry.

16. Recall information

  • No recall information was supplied.

17. Official manufacturer information

Official NHTSA-hosted Subaru communication: https://static.nhtsa.gov/odi/tsbs/2026/MC-11036794-0001.pdf

19. Frequently asked questions

What does Subaru P0130 mean?

The supplied evidence defines P0130 as “Front O2 Sensor Circuit Malfunction.”

Is rough idle associated with P0130?

The supplied source index includes “Rough Idle on MPFI Vehicles” alongside the P0130 article listing. It does not establish that every P0130 event will cause rough idle.

Does this evidence confirm P0130 applies to a Subaru Solterra, Crosstrek, Trailseeker, or Uncharted?

No. Although those vehicles appear in the supplied applicability data, the verified source summaries specifically identify a 1995MY Subaru Legacy P0130 entry. Modern-model applicability is not established by the source evidence provided.

Can I drive or charge with P0130?

Not yet established by verified evidence.

20. Sources & verification

ReferenceVerified
Subaru P0130: Front O2 Sensor Circuit Malfunction… | EV Diagnostics