Knock/Combustion Vibration Sensor D Circuit Range/Performance

Where it lives

For P033B, start at the sensor the description names.

Check these first

• Knock sensor D, bank 2 worn or aging
• High resistance in the bank 2 knock sensor D wiring
• Corroded connector at knock sensor D, bank 2
• Mechanical knock or vibration masking the sensor signal
• Sensor D, bank 2 mounted loose and picking up noise

What to do next

1. Check knock sensor D, bank 2 mounting and torque
2. Inspect the bank 2 knock sensor D connector
3. Test the sensor D, bank 2 circuit for resistance and shorts
4. Read knock sensor D, bank 2 live data
5. Replace knock sensor D, bank 2 if the signal is out of range
6. Clear the code and retest

Look up another code