Knock sensor failures are one of the most common issues facing drivers today. In fact, according to research, knock sensor replacements account for about one-third of all tune-ups performed on cars. But what is a knock sensor, and why do they fail? In this blog post, we will explore all of that and why replaced knock sensor still getting code P0332. We will also provide some tips on how to prevent knock sensor failures from happening in the first place.
Why does Replaced Knock Sensor Still Getting Code P0332?
The knock sensor detects when the door is knocked and sends a signal to the car’s computer, which then activates the alarm. If your car has a power doors/locks system, it will also unlock the doors if they are locked when the alarm goes off. If your car doesn’t have a power doors/locks system, or if the knock sensor isn’t working properly, the alarm will still go off and the doors will stay locked.
If you are experiencing a problem with your car’s knock sensor, such as a code P0332, then it is likely that the knock sensor has been fault and is not the cause of the problem. In most cases, replacing the knock sensor will resolve the issue. If you do not have any other symptoms and the code still appears after replacing the knock sensor, it may be necessary to replace the ECU.
When Should the Knock Sensor Be Replaced?
If your car is experiencing a problem with the knock sensor, it may be time to replace it. Knock sensors are often the first thing to go on vehicles. If the sensor isn’t functioning properly, it will cause the car to erratically downshift or not start at all. If you notice any warning lights on your dashboard or problems with your car’s performance, it’s best to have the knock sensor replaced as soon as possible.
How to Replace the Knock Sensor on a Mazda CX-9
Mazda CX-9 knock sensor replacement is a fairly easy DIY project that can be done by most car enthusiasts with basic mechanical skills. The knock sensor is located on the back side of the engine near the firewall. It uses a small metal rotor to sense when the engine knocks and sends a signal to the vehicle’s computer, telling it that there is something wrong with the engine and needs to be fixed.
If your Mazda CX-9 is experiencing knocking or vibration when accelerating, it’s likely that the knock sensor has gone bad and needs to be replaced. The process of replacing the knock sensor on a Mazdas isn’t difficult, but it does require some basic tools and knowledge about how cars work.
If you’re confident you can tackle this DIY project yourself, begin by following these steps:
- Locate the knock sensor on your Mazda CX-9. It will be located on the back side of the engine near where the firewall meets the chassis (see images below).
- Pry off the knockout panel in front of where the sensor resides using a flathead screwdriver (see image below). This will give you access to the sensor itself.
- Remove the old knock sensor from your Mazda CX-9 using a pair of needle nose pliers (see image below). Make sure to hold onto all six mounting screws as they will come in handy later!
- Install your new knock sensor into place by
If replaced knock sensor still getting Code P0332 , it might be time to have the car checked out. The knock sensor is used to determine whether or not there is an issue with the engine, and if it’s no longer functioning properly the car will start giving off this code. If you notice a sudden increase in this code being thrown, it might be worth having your car checked out right away.