how to fix P0133 O2 sensor code in Honda Accord Eleventh Generation (2023-present)

• •Check engine light illuminated
• •Poor fuel economy
• •Rough idle or stalling
• •Increased emissions
• •Engine performance issues during acceleration

1. 1Scan the vehicle's OBD-II system to confirm the P0133 code and check for any additional codes.
2. 2Inspect the wiring and connectors leading to the O2 sensor for any damage or corrosion.
3. 3Use a multimeter to test the voltage output of the O2 sensor while the engine is running.
4. 4Check the exhaust system for any leaks that may affect sensor performance.
5. 5Verify the fuel trims using a scan tool to ensure they are within normal ranges.

After completing the repair, verify that the issue has been resolved:

• ✓Test the affected component to ensure it functions correctly
• ✓Check for any error codes or warning lights
• ✓Monitor the vehicle for a few days to ensure the issue does not recur

To prevent this issue from occurring again:

• •Follow the manufacturer's recommended maintenance schedule
• •Address warning signs early before they develop into major issues
• •Use quality parts and fluids recommended for your vehicle
• •Keep detailed records of all repairs and maintenance

• •OBD-II scanner
• •Socket set
• •O2 sensor socket
• •Torque wrench
• •Multimeter

• •New upstream O2 sensor
• •Anti-seize compound (if required)