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. Smart choice: Knock Sensor (MPN AS10182) is backed by a 12-month warranty!

About Delphi

Delphi, known for innovation, ensures superior vehicle efficiency and performance.

Why Choose Delphi?

• Delphi parts are known for their reliability – they’re built to last and keep your vehicle running smoothly. • They offer a wide range of parts for many different makes and models, so you're likely to find what you need. • Delphi invests in research and technology to make sure their parts meet or exceed original equipment standards. • You get a good balance of quality and price, meaning you don't have to compromise to get a dependable part. Delphi delivers excellence, FixParts Online delivers to your door.