P0328
Knock Sensor Circuit High Input
Generic code
Ignition System
Medium severity
Moderate repair
Free on OBD DashX
Want real-world data on P0328?
See which problems come with P0328, how often it shows up in other vehicles, and how to fix it — step by step.
- Real-world fix data
- How often it happens
- Step-by-step repairs
What P0328 means
- The fault code P0328 signifies that there is a high input in the circuit of the knock sensor for bank 1 or a single sensor. This can lead to decreased engine performance, increased emissions, and can cause damage to the engine over time.
Possible symptoms
- Illuminated check engine light
- Decreased engine performance
- Rough idle or stalling
- Engine knocking or pinging sound
- Increased emissions
Possible causes
- Faulty knock sensor
- Damaged or corroded wiring or connections in the knock sensor circuit
- Loose or disconnected electrical connections
- Failed engine control module (ECM)
- Low
- quality or incorrect fuel in the vehicle
Related parts
- Knock Sensor: Knock sensor detects knocking in the engine
Possible solutions
- Replace the faulty knock sensor
- Check and repair any damaged or corroded wiring or connections in the knock sensor circuit
- Tighten or reconnect any loose or disconnected electrical connections
- Replace the engine control module (ECM) if necessary
- Ensure high
- quality fuel is used in the vehicle
Free on OBD DashX
P0328 on OBD DashX
Real-world causes, how often this code shows up, and the fix — step by step.
Open P0328 No sign-up needed · available in 10 languagesScan your own car
Read and clear fault codes, live data and service resets with the CaRPM app.