P0325Medium severity

Knock Sensor 1 Circuit

The knock sensor circuit on bank 1 is malfunctioning.

Safe to Drive?
Yes

Informational only. Consult a qualified mechanic.

Estimated Repair Cost
$150 - $500
Common Causes
  • Faulty knock sensor
  • Wiring issue
  • Engine mechanical noise
Recommended Action

Replace knock sensor. The engine may retard timing as a safeguard.

What does P0325 mean?

The P0325 OBD-II diagnostic trouble code (DTC) indicates: knock sensor 1 circuit. This is a medium-severity powertrain code that your vehicle's onboard diagnostics system triggers when the knock sensor circuit on bank 1 is malfunctioning. If your check engine light is on with this code, the vehicle is generally safe to drive, but you should have it inspected soon.

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