What usually causes it
- A failed knock sensor
- A damaged wire or a loose plug
- A loose sensor mount
- A fault in the engine computer, which is not common
P0325Starts at: OK to drive, fix when convenient
Knock sensor circuit problem (bank 1)
Knock is a pinging sound when fuel burns at the wrong time, and the knock sensor listens for it. The computer found a problem with the knock sensor on bank 1, or the only one on the engine.
What to watch for
- A pinging or rattling noise when you speed up
- Less power than usual
- A new knocking sound from deep in the engine
Can I keep driving?
We rate P0325 as OK to drive, fix when convenient, as a starting point. Keep an eye on the signs below. If the light starts flashing, stop driving soon.
Quick answers about P0325
What does P0325 mean?
Knock sensor circuit problem (bank 1). Knock is a pinging sound when fuel burns at the wrong time, and the knock sensor listens for it. The computer found a problem with the knock sensor on bank 1, or the only one on the engine.
Can I keep driving with P0325?
We rate P0325 as OK to drive, fix when convenient, as a starting point. Keep an eye on the signs below. If the light starts flashing, stop driving soon.
What usually causes P0325?
The most common causes, in order: A failed knock sensor; A damaged wire or a loose plug; A loose sensor mount; A fault in the engine computer, which is not common.
Estimates only. A mechanic should confirm. The same code can mean slightly different things on different cars; the app explains it for your exact year, make, model and mileage.