P1328 - Cylinder 4 Knock Control Limit Attained

Repair Importance Level: 2/3
Repair Difficulty Level: 2/3  What does this mean?

P1328 Possible Causes

  • Low fuel level or fuel quality
  • Mass Air Flow (MAF) Sensor failure
  • Low fuel pressure
  • Abnormal engine noise or failed Knock Sensor
  • Faulty Knock Sensor
  • Knock Sensor harness is open or shorted
  • Knock Sensor circuit poor electrical connection

First diagnose P1328 code

    Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.

Cost of diagnosing the P1328 code

    Labor: 1.0

    The cost of diagnosing the P1328 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

P1328 Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1328 Meaning

The Engine Control Module (ECM) monitors the Knock Sensor. The ECM sets the OBDII code when the Knock Sensor is not to factory specifications.
OBDII Code P1328 - Cylinder 4 Knock Control Limit Attained - Engine-Codes.com

P1328 More Information

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P1328 Information for specific makes

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