O2 Sensor Exhaust Sample Error Bank 2 Sensor 1

Where it lives

For P2415, the description names the sensor as the part involved. The description of P2415 puts it on bank 2.

Check these first

• A contaminated or lazy bank 2 sensor 1 oxygen sensor
• An exhaust leak ahead of the bank 2 sensor 1
• Oil or coolant fouling the bank 2 sensor 1 tip
• A heater circuit fault in the bank 2 sensor 1

What to do next

1. Read bank 2 sensor 1 voltage and response on a scan tool
2. Inspect for exhaust leaks ahead of the sensor
3. Check the bank 2 sensor 1 heater circuit
4. Look for oil or coolant contamination on the tip
5. Replace the bank 2 sensor 1 oxygen sensor if the circuit tests good
6. Clear the code and retest

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