Have you ever noticed that your engine is knocking on startup, then goes away? If so, it may be time to buy a new knock sensor! But before you rush out and spend hundreds of dollars at the dealership, read this blog article first.
What is a Knock Sensor?
A knock sensor is a devices that is used to monitor for knocks in an internal combustion engine. A knocking noise in an engine knock on startup then goes away in the cylinders detonates unevenly. This can cause damage to the engine if left unchecked.
The knock sensor is usually mounted on the engine block and is connected to the engine computer. The knock sensor monitors for vibrations that are caused by the knocking noise. When the knock sensor detects these vibrations, it sends a signal to the computer which then adjusts the ignition timing to prevent further damage.
If your car's knock sensor is not working properly, it can cause your car to run inefficiently and may even damage your engine over time. Luckily, there are ways to fix your car's knock sensor without spending a fortune.
What Causes a Knock Sensor to Go Bad?
Most commonly, a knock sensor will go bad because of corrosion. This can happen if the engine is run without oil, or if the oil isn't changed often enough. The knock sensor is also susceptible to damage from engine vibrations
How To Fix A Knocking Sensor?
If you're hearing a knocking noise coming from your engine, it's likely that your knock sensor is to blame. The knock sensor is a vital piece of equipment that helps to prevent engine damage by detecting knocking and pinging sounds in the engine and then sending a signal to the computer to adjust the ignition timing.
Unfortunately, knock sensors can fail over time, causing the engine to run less efficiently and resulting in that annoying knocking noise. If you think your knock sensor may be failing, there are a few things you can do to fix it without spending a fortune.
First, check the wiring harness for any loose or damaged wires. If the wiring looks good, then you'll need to replace the knock sensor itself. You can find replacement knock sensors at most auto parts stores, and they're relatively easy to install.
If your car is still under warranty, you may be able to have the knock sensor replaced for free. However, if your car is out of warranty, replacing the knock sensor will likely cost around $200-$300
Conclusion
If you're dealing with a car that has a knock sensor issue, don't despair. With a little time and effort, you can fix the problem without spending a fortune. By following the tips in this article, you'll be back on the road in no time.