OBD Guide

P1329

Cylinder 5 Knock Control Limit Attained

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$17–89 (est.)

Symptoms

  • Engine knocking or ringing
  • Reduced engine power
  • Increased fuel consumption
  • Check Engine Light Is On
  • Unstable engine idling

Causes

  • Poor fuel quality (low octane number)
  • Cylinder 5 knock sensor malfunction
  • Problems with the engine cooling system
  • Mechanical damage in cylinder 5
  • Incorrect ignition timing

How to Fix

  1. Check the quality of the fuel and, if necessary, replace it with fuel with a higher octane number
  2. Check and, if necessary, replace the knock sensor of cylinder 5
  3. Check the engine cooling system for leaks or malfunctions
  4. Conduct diagnostics of cylinder 5 for mechanical damage
  5. Check and adjust the ignition timing

Related codes

Error P1329 by Vehicle Brand