P0327, “Knock Sensor 1 Circuit Low Input (Bank 1),” and P0332, “Knock Sensor 1 Circuit Low Input (Bank 2),” usually mean your knock sensors are bad—they’re malfunctioning—and need to be replaced.
What happens when a knock sensor goes bad?
A bad knock sensor may also not let the engine accelerate properly while driving on the highway, and cause the vehicle to lose fuel mileage. Once the computer realizes the knock sensor is not working properly, your vehicle will most likely lose power.
Where is knock sensor Bank 1 located?
The ‘Bank 1’ portion of the code indicates that the issue pertains to the knock sensor on the side of the engine that houses the number one cylinder.
What can trigger a knock sensor?
The knock sensor detects abnormal combustion, known as spark knock, inside of the engine. Common causes of spark knock include low octane fuel, overly advanced ignition timing, abnormally high engine operating temperatures, and carbon buildup inside the engine’s combustion chambers.
What is code P0328?
The P0328 code is telling us that there is a high input from the bank 1 knock sensor 1. The ECU detects excessively high voltage that is out of range of the knock sensor. This leads to the Check Engine Light being displayed on the dashboard.
What does a GM knock sensor do?
The knock sensor on your GM engine is designed to sense detonation in the engine that causes a knocking noise from an improper air/fuel/spark ratio. The sensor takes that information and sends it to the computer, which in turn retards the timing on the engine to fix the problem.
What does the p0327 code on a Chevrolet Chrysler mean?
P0327 CHEVROLET Tech Notes. The P0327 code means that the Knock Sensor is not working properly. Problems with the knock sensor will not cause an engine performance problems. Replacing the knock sensor usually takes care of the problem.
What does the p0327 code on a knock sensor mean?
The P0327 code means that the Knock Sensor is not working properly. Problems with the knock sensor will not cause an engine performance problem. Replacing the knock sensor usually takes care of the problem. The cost to diagnose the P0327 CHEVROLET code is 1.0 hour of labor.
What is the p0327 code on a 1999 Pontiac Montana?
1999 Pontiac Montana throwing a code titles P0327. This code is related to the knock sensor. I have replaced the knock sensor (the other one was broke) and the code has not cleared.
How to fix the p0327 code on a Chevy Astro?
For example, replacing the affected knock sensor is reported to have resolved code P0327 in certain Chevy vehicles, so if you have a Chevy Astro or Silverado 1500, this could work for you as well—provided that the knock sensor is the underlying cause for you, of course. When fixing the P0327 code, it helps consulting your car manual.
