Subaru OBD-II 1996 & Newer models DTC P1137 – Front oxygen (A/F) sensor circuit range/performance problem
DTC P1137 meaning on Subaru OBD-II 1996 & Newer models
DTC P1137 on Subaru OBD-II 1996 & Newer models indicates a Front Oxygen (A/F) Sensor Circuit Range/Performance problem. This diagnostic trouble code specifically relates to the front oxygen sensor’s operation and its ability to provide accurate feedback to the engine control module.
Subaru OBD-II 1996 & Newer models DTC P1137 symptoms
- Check Engine Light (CEL) illuminated on the dashboard
- Decreased fuel efficiency
- Engine running rough or misfiring
- Potential lack of power during acceleration
Subaru OBD-II 1996 & Newer models DTC P1137 causes
- Malfunctioning front oxygen (A/F) sensor
- Wiring or connector issues in the sensor circuit
- Exhaust system leaks affecting sensor readings
- Engine running rich or lean due to other faults
Subaru OBD-II 1996 & Newer models DTC P1137 seriousness
The seriousness of DTC P1137 on Subaru OBD-II 1996 & Newer models lies in its impact on engine performance and emissions. Ignoring this fault can lead to decreased fuel efficiency, potential engine damage, and increased emissions output.
How to diagnose DTC P1137 on Subaru OBD-II 1996 & Newer models
- Use an OBD-II scanner to retrieve the fault code and freeze frame data
- Inspect the front oxygen (A/F) sensor and its wiring for any visible damage
- Check for exhaust leaks that could affect sensor readings
- Perform a voltage and resistance test on the sensor circuit
How to fix DTC P1137 on Subaru OBD-II 1996 & Newer models
- Replace the front oxygen (A/F) sensor if faulty
- Repair any damaged wiring or connectors in the sensor circuit
- Address any exhaust leaks that could impact sensor performance
- Clear the fault code and perform a test drive to ensure the issue is resolved
How to erase DTC P1137 on Subaru OBD-II 1996 & Newer models
To erase DTC P1137 on Subaru OBD-II 1996 & Newer models, you can use an OBD-II scanner to clear the fault code from the engine control module’s memory. Once the repair has been completed and the issue resolved, clearing the code will turn off the Check Engine Light.
Recommended tools for Subaru OBD-II 1996 & Newer models diagnostics
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