This sensor basically keeps track of how fast your engine is turning and, crucially, where the crankshaft is positioned. It sends that information to the engine control unit – the computer that runs everything. It's a digital signal, telling the computer exactly how quickly the engine's rotating and which point in its cycle it’s at – whether it's getting ready to fire, firing, or finishing a cycle. It doesn’t measure speed directly like a speedometer, but gives the computer the data to calculate speed and much more. Think of it as a key piece in a whole sequence. The computer needs to know where the crankshaft is to time the spark for the spark plugs and to inject fuel. Without that info, it’s like trying to hit a moving target in the dark. It's also involved in things like idle control, variable valve timing, and emissions control. It’s not just about making the engine run, it’s about making it run efficiently and cleanly. If this sensor goes bad, it can cause all sorts of problems. You might have trouble starting the car, it could stall randomly, or run really rough. You’ll notice if the engine is hesitating or feels like it’s losing power. The check engine light will almost certainly come on. Sometimes it throws codes that seem unrelated because the computer is getting bad data. It's a relatively small part, but it can cause big headaches if it fails. You can find these pretty easily at places like Fixparts Online, and they’re generally a straightforward repair for someone with some mechanical know – how. It’s one of those things that’s best to address quickly before it leads to bigger issues. Simple and reliable: Rotating Speed Sensor (MPN 0261210051) has a 12-month warranty!

About Bosch

Bosch is a global leader in automotive technology from Germany, celebrated for its innovative products and high-quality components. Based in Germany, Bosch drives advancements in vehicle safety and efficiency worldwide.

Why Choose Bosch?

• Bosch parts are known for lasting a long time, so you won’t have to replace them often. • They perform reliably, helping to keep your vehicle running smoothly and safely. • Bosch invests a lot in research and development, meaning you’re getting the latest technology. • Mechanics trust Bosch, and that’s a good sign of quality and performance you can depend on. FixParts Online – Your Trusted Source for Quality Bosch Auto Parts.