Hyundai Code P0326
Drivers of Hyundai vehicles with code P0326 may experience a Knock Sensor Circuit Malfunction (Bank 1). This code is triggered when the engine speed is between 1000-2200 rpm, the ECT sensor signal is more than 104°F, the engine load is more than 2 ms, and the ECM/PCM detects that the Knock sensor signal is out