P0326Severity: Medium
P0326 – Knock Sensor Range/Performance (Bank 1)
The knock sensor isn't producing a signal in the expected range.
What it means
The knock sensor detects engine knock and adjusts ignition. If its signal is out of range, the ECU may retard timing and reduce performance.
Symptoms
- Loss of power
- Increased fuel use
- Light knocking noise
- Check-engine light
Common causes
- Faulty knock sensor
- Wiring/connector issue
- Loose sensor mounting
- Genuine engine knock
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Frequently asked questions
What does trouble code P0326 mean?
P0326 – Knock Sensor Range/Performance (Bank 1). The knock sensor detects engine knock and adjusts ignition. If its signal is out of range, the ECU may retard timing and reduce performance.
Can I drive with a P0326 code?
You can usually drive short distances, but it's best to have it checked before it gets worse.