Causes and Fixes Nissan P0325 Code: Knock Sensor 1 Circuit Bank 1 or Single Sensor

How to fix a Nissan P0325 Code: Knock Sensor 1 Circuit Bank 1 or Single Sensor
What is a Knock Sensor?
The knock sensor detects vibrations that come from a knock or an irregularity in combustion and sends a signal to the engine control computer, which then adjusts the timing to correct the knock.
A Nissan P0325 Code can be a bad knock sensor, wiring, or a mechanical problem.
Possible Causes of a Nissan P0325 Code
Bad Knock Sensor
Wiring (Open/Short)
Engine malfunction, such as timing being off
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My case was the pcm