What does code P0328 mean?
Excessively high signal detected from knock sensor
OBD-II Code
P0328 — Knock Sensor 1 High Input Bank 1
Excessively high signal detected from knock sensor
Common symptoms
- Engine limits power output
- metallic noise
Possible causes
- Signal shorted to voltage
- faulty knock sensor
Initial recommendation
Inspect wiring and replace knock sensor.
Safety notice
This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine code P0328 with your vehicle's actual symptoms for more complete diagnostic guidance.
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