P0133 – Land Rover DTC

Land Rover DTC P0133 – Oxygen Sensor Slow Response *Codes* A U

DTC P0133 meaning on Land Rover

1. DTC P0133 indicates that the oxygen sensor in Bank 1 Sensor 1 has a slow response time.
2. This sensor is located in the exhaust system before the catalytic converter.
3. The slow response can lead to incorrect air-fuel mixture readings, affecting engine performance and emissions.

Land Rover DTC P0133 symptoms

• Check Engine Light (MIL) may illuminate.
• Decreased fuel efficiency.
• Engine may run rough or hesitate during acceleration.

Land Rover DTC P0133 causes

• Malfunctioning oxygen sensor.
• Wiring or connector issues in the oxygen sensor circuit.
• Exhaust leaks near the oxygen sensor.
• Engine running rich or lean due to other issues.

Land Rover DTC P0133 seriousness

1. If left unresolved, DTC P0133 can lead to increased emissions and potential damage to the catalytic converter.
2. It is important to address this issue promptly to maintain optimal engine performance and fuel efficiency.

How to diagnose DTC P0133 on Land Rover

1. Use a scan tool to check for DTCs and freeze frame data.
2. Inspect the oxygen sensor and its wiring for any visible damage or corrosion.
3. Perform a voltage test on the oxygen sensor to check its response time.
4. Check for exhaust leaks near the sensor.

How to fix DTC P0133 on Land Rover

1. Replace the oxygen sensor in Bank 1 Sensor 1.
2. Repair any damaged wiring or connectors in the oxygen sensor circuit.
3. Address any exhaust leaks near the sensor.
4. If the engine is running rich or lean, diagnose and fix the underlying issue.

How to erase DTC P0133 on Land Rover

1. After fixing the underlying issue, use a scan tool to clear the DTC.
2. Ensure the repair has resolved the problem before clearing the code.
3. Driving the vehicle through a complete drive cycle can help verify the repair.