P0325 — Knock Sensor Circuit Malfunction (Bank 1)
Reviewed1 source
1 source
- Official data (NHTSA)official_feed
What P0325 means
Caution — monitor closely
The ECU isn't receiving a valid signal from the knock sensor — losing protection against pre-ignition; the ECU may compensate by retarding ignition timing.
Driveability assessment not yet available. Get a personalized AI Second Opinion for your exact car.
General information, not a diagnosis or repair instruction. Always confirm with a qualified mechanic for your specific vehicle.
Common causes
- Broken or corroded knock sensor wiring
Symptoms
- Повышенный расход топлива
- Increased fuel consumption
- Reduced performance
Cost data coming soonUpload your estimate to check if the price is fair