How to Fix a Hyundai P1326: Knock Sensor Detection System

Definition Meaning and Fixes for a Hyundai P1326 engine Diagnostic Trouble Code: Knock Sensor Detection System. Website with Recall Information. https://www.hyundainews.com/en-us/rel...

(Knock Signal Range Performance)
(Diesel-Engine: P1326 Glow Relay Stuck)
A P1326 code is activated when the Knock Sensors Detection System
spots abnormal vibrations from the engine.

Symptoms Hyundai P1326
Check engine light flashing
Limp mode and power loss
Difficulties starting the engine
Idle trouble or stalling

Check for Recall.
Mechanical vs sensor/wiring problem

Possible Causes of a Hyundai P1326 Code
Faulty Knock Sensor
Engine Mechanical problem
Knock Sensor harness is open or shorted or bad connection
Engine Control Module (ECM) Update