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. Technical support included: Rotating Speed Sensor (MPN 0261210055) comes with a 12-month warranty!

About Bosch

With a heritage of innovation, Bosch provides dependable and efficient automotive components that set industry standards.

Why Choose Bosch?

• Bosch parts are known for being reliable and lasting a long time, which can save you money on repairs in the future. • They’re a leading supplier to car manufacturers, so you’re getting the same quality parts used in many new vehicles. • Bosch invests a lot in research and development, meaning their parts often have the latest technology for better performance. • You can find Bosch parts for a wide range of vehicles, from older models to the newest cars and trucks. Performance you can rely on – Bosch parts from FixParts Online.