Toyota DTC P1130 – Air/Fuel Sensor Circuit Range/Performance (Bank 1 Sensor 1)
DTC P1130 meaning on Toyota
DTC P1130 for Toyota indicates an issue with the Air/Fuel Sensor Circuit Range/Performance on Bank 1 Sensor 1. This means that the signal from the air/fuel ratio sensor located in the exhaust system before the catalytic converter is not within the expected range or is not performing as intended.
Toyota DTC P1130 symptoms
Symptoms of DTC P1130 on a Toyota may include:
- Check Engine Light illuminated
- Poor fuel economy
- Engine running rough or misfiring
- Reduced engine performance
Toyota DTC P1130 causes
Common causes of DTC P1130 on a Toyota include:
- Faulty air/fuel ratio sensor
- Wiring or connector issues in the sensor circuit
- Exhaust system leaks
- Engine running too rich or too lean
Toyota DTC P1130 seriousness
DTC P1130 should not be ignored as it can lead to poor engine performance and reduced fuel efficiency. Continuing to drive with this fault may also cause damage to the catalytic converter over time.
How to diagnose DTC P1130 on Toyota
To diagnose DTC P1130 on a Toyota, you can:
- Use an OBD-II scanner to retrieve the fault code and freeze frame data
- Inspect the air/fuel ratio sensor and its wiring for any visible damage
- Check for exhaust leaks or other issues in the exhaust system
- Perform a fuel system and engine performance test
How to fix DTC P1130 on Toyota
To fix DTC P1130 on a Toyota, you may need to:
- Replace the air/fuel ratio sensor
- Repair or replace any damaged wiring or connectors in the sensor circuit
- Fix any exhaust leaks or issues in the exhaust system
- Ensure the engine is running at the correct air/fuel mixture
How to erase DTC P1130 on Toyota
To erase DTC P1130 on a Toyota, you can:
- Use an OBD-II scanner to clear the fault code
- If the underlying issue has been fixed, the Check Engine Light should turn off after clearing the code
- Ensure the vehicle is in proper working condition before erasing the code
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