how to fix P0135 oxygen sensor code in my Volvo XC60 536 (2017-Present)?

• •Check engine light illuminated
• •Poor fuel economy
• •Rough idle or engine stalling
• •Increased emissions
• •Failed emissions test
• •Engine performance issues under load

1. 1Scan for error codes using an OBD-II scanner to confirm P0135.
2. 2Inspect the wiring and connectors of the oxygen sensor for damage or corrosion.
3. 3Check the oxygen sensor heater circuit for continuity using a multimeter.
4. 4Test the voltage at the oxygen sensor connector with the ignition on and engine off.
5. 5Verify the operation of the engine coolant temperature sensor, as it affects the oxygen sensor functionality.
6. 6Inspect the exhaust system for leaks that may affect sensor readings.

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 (including an oxygen sensor socket)
• •Multimeter
• •Torque wrench

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