Lexus DTC P1130 – Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction (Bank 1 Sensor 1)
DTC P1130 meaning on Lexus
DTC P1130 for Lexus indicates an issue with the Air/Fuel Ratio Sensor Circuit Range/Performance for Bank 1 Sensor 1. This means that the engine control module has detected a problem with the air/fuel ratio sensor’s operation in the first bank of cylinders.
Lexus DTC P1130 symptoms
- Check Engine Light (MIL) illuminated
- Poor fuel economy
- Engine running rough or misfiring
- Reduced engine performance
Lexus DTC P1130 causes
- Faulty air/fuel ratio sensor
- Wiring or connector issues in the sensor circuit
- Exhaust system leaks
- Engine mechanical problems
Lexus DTC P1130 seriousness
The DTC P1130 on a Lexus should not be ignored as it can lead to poor engine performance, reduced fuel efficiency, and potential damage to the catalytic converter over time if left unresolved.
How to diagnose DTC P1130 on Lexus
- Use an OBD-II scanner to retrieve the specific fault code and freeze frame data
- Inspect the air/fuel ratio sensor and its wiring for any visible damage or corrosion
- Check for exhaust leaks or other issues in the exhaust system
- Perform a thorough inspection of the engine components related to the air/fuel mixture
How to fix DTC P1130 on Lexus
- Replace the faulty air/fuel ratio sensor
- Repair any damaged wiring or connectors in the sensor circuit
- Address any exhaust system leaks or issues
- Verify proper operation of the air/fuel ratio sensor after repairs
How to erase DTC P1130 on Lexus
- Use an OBD-II scanner to clear the fault codes
- Ensure the issue causing the DTC P1130 has been resolved
- Perform a test drive to confirm the repair and check for any recurring codes