P0326
Knock Sensor Circuit Range/Performance
Generic code
Ignition System
Medium severity
Moderate repair
Free on OBD DashX
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What P0326 means
- “The fault code P0326 indicates that the engine control module (ECM) has detected a signal from the knock sensor that is outside of the expected range or performance parameters. This may cause the engine to run poorly or not start at all.”
Possible symptoms
- Illuminated check engine light
- Engine knocking or pinging
- Reduced engine power or acceleration
- Poor fuel economy
Possible causes
- Failed knock sensor
- Faulty wiring or connections in the circuit
- Loose or corroded electrical connections
- Failed engine control module (ECM)
- Faulty engine mechanical condition
Related parts
- Knock Sensor: Knock sensor detects knocking in the engine
Possible solutions
- Replace the knock sensor
- Check and repair any damaged wiring or connections
- Tighten or clean any loose or corroded electrical connections
- Replace the engine control module (ECM) if necessary
- Repair or replace any damaged engine mechanical components
Free on OBD DashX
P0326 on OBD DashX
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