EN
P0327Severity: Medium

P0327: Knock Sensor (Bank 1) – Circuit Low

Quick answer

P0327 is a generic OBD-II trouble code that means: Knock Sensor (Bank 1) – Circuit Low. You can drive carefully for a short time, but have it fixed promptly. Ignoring it can reduce performance and damage other parts.

What does P0327 mean?

P0327 is a generic OBD-II trouble code that means: Knock Sensor (Bank 1) – Circuit Low. The engine control module (ECM) stores this code when it detects a fault related to: Knock Sensor (Bank 1).

Can I still drive?

Severity: Medium

You can drive carefully for a short time, but have it fixed promptly. Ignoring it can reduce performance and damage other parts.

Symptoms

  • Check engine light is on
  • Loss of power
  • Higher fuel consumption
  • Often no noticeable drivability symptoms

Common causes

  • Faulty sensor or component
  • Damaged wiring or a loose/corroded connector

How to fix it

  1. Read all stored codes and freeze-frame data with an OBD-II scanner
  2. Inspect the wiring and connectors for damage, corrosion or looseness
  3. Test the sensor with a multimeter against the manufacturer's specification
  4. Replace the faulty component with a quality part
  5. Clear the code and road-test the car to confirm the repair

Frequently asked questions

What does code P0327 mean?

P0327 is a generic OBD-II trouble code that means: Knock Sensor (Bank 1) – Circuit Low. The engine control module (ECM) stores this code when it detects a fault related to: Knock Sensor (Bank 1).

What causes code P0327?

The most common causes are: Faulty sensor or component; Damaged wiring or a loose/corroded connector.

How do I fix code P0327?

Start with these steps: Read all stored codes and freeze-frame data with an OBD-II scanner; Inspect the wiring and connectors for damage, corrosion or looseness; Test the sensor with a multimeter against the manufacturer's specification; Replace the faulty component with a quality part.

Is it safe to drive with code P0327?

Severity: Medium. You can drive carefully for a short time, but have it fixed promptly. Ignoring it can reduce performance and damage other parts.

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