When it comes to Subaru P0130 Code, it is an O2 Sensor Circuit Bank 1 Sensor 1 Diagnostic Trouble Code (DTC) that is set when the PCM detects a problem in the A/F sensor signal. This signal should be in the range of 0.85-1.15 volts during the CCM test. To diagnose this issue, it is necessary to check any other DTC on display, use a scan tool to check current data, check the harness between ECM and sensor, and check the exhaust system. These are some of the common causes of the Subaru P0130 Code. In order to troubleshoot the issue, understanding the common causes and solutions is important.
Common Causes and Solutions for Subaru P0130 Code
| Cause | Solution |
| Check any other DTC on display | Using a scan tool, clear the DTC and reset the ECM |
| Check current data using a scan tool | Inspect wiring and connector for damage, corrosion, or loose connection |
| Check harness between ECM and sensor | Clean or replace the A/F sensor as needed |
| Check exhaust system | Replace the catalytic converter if needed |
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