how to fix the P0133 code in my Volvo XC60

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

1. 1Scan the vehicle’s onboard diagnostics using an OBD-II scanner to confirm the P0133 code and check for any additional codes.
2. 2Inspect the wiring and connector of the oxygen sensor for any signs of damage or corrosion.
3. 3Check the oxygen sensor’s voltage output using a multimeter while the engine is running.
4. 4Inspect the exhaust system for leaks that may affect sensor readings.
5. 5Measure the fuel trim values using a scan tool to determine if the engine is running rich or lean.

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
• •Multimeter
• •Oxygen sensor socket
• •Socket wrench set
• •Torque wrench

• •New upstream oxygen sensor (Bank 1 Sensor 1)