This little guy basically listens for engine knocking or pinging. That’s an uncontrolled combustion happening inside the engine. It's an electrical component, so it creates a voltage signal. The engine’s computer uses that signal to figure out if things are running smoothly, or if there’s a problem with how the fuel is burning. Think of it as an early warning system. The engine control unit – the computer – constantly monitors what the knock sensor is telling it. If it detects knocking, the computer will actually adjust the ignition timing to try and prevent further damage. It’s part of a feedback loop, constantly working to keep everything running as it should. It works alongside other sensors, like the oxygen sensor, to give the computer the full picture. Knocking can seriously damage your engine over time. It’s like tiny little explosions going on inside that weren’t supposed to happen, and they can wear down pistons, connecting rods, and even the crankshaft. The knock sensor lets the computer step in and correct the issue before that damage happens. You’ll notice if it’s failing because your engine might start running rough, lose power, or the check engine light will come on. Sometimes it’s a subtle issue, but best to deal with it. You can often find a replacement for a pretty good price online – places like Fixparts Online have them in stock, and it’s a relatively straightforward repair for a mechanic. Ignoring it could lead to much bigger, and more expensive, problems down the road. Shop with confidence: Knock Sensor (MPN 27152) comes with a 3 year manufacturer guarantee!

About Febi

Ferdinand Bilstein is a leading global supplier of aftermarket spare parts, offering an extensive range of high-quality components for passenger and commercial vehicles.

Why Choose Febi?

• Febi parts are made to the same standards as original equipment, so you get reliable quality. • We offer a huge range of parts – from engine components to wear-and-tear items – covering many vehicle makes and models. • Febi has been a trusted name in the automotive industry for over 70 years, so you’re choosing a brand with a long history of performance. • You get a great balance of quality and price, meaning you don’t have to break the bank to keep your vehicle running smoothly. Drive with confidence – choose Febi parts at FixParts Online.