OBD Guide

P0327

Knock/Combustion Vibration Sensor A Circuit Low

P0327 is an OBD-II diagnostic trouble code meaning: Knock/Combustion Vibration Sensor A Circuit Low. Common causes: knock sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Loss of engine power
  • Detonation (engine knocking)
  • Unstable idling
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • Knock sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Interference from other electronic components
  • ECU malfunction

How to Fix

  1. Check the continuity of the knock sensor circuit
  2. Check the connectors and contacts of the sensor
  3. Check the resistance of the knock sensor
  4. Replace knock sensor if necessary
  5. Check the operation of the computer

Related codes

Error P0327 by Vehicle Brand

FAQ

What does the P0327 code mean?

P0327 is an OBD-II diagnostic trouble code that indicates: Knock/Combustion Vibration Sensor A Circuit Low

What causes a P0327 error code?

The most common causes of P0327 include: Knock sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Interference from other electronic components.

How do I fix a P0327 diagnostic trouble code?

To fix P0327: Check the continuity of the knock sensor circuit. Check the connectors and contacts of the sensor. Check the resistance of the knock sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0327?

Limited driving only, diagnose soon

How much does it cost to fix P0327?

The estimated repair cost for P0327 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat