This sensor basically measures the pressure created by your exhaust gases. It’s sending a signal to the engine computer, telling it how easily—or not so easily—the exhaust is flowing. It doesn’t measure oxygen directly like some people think, though it’s often grouped with oxygen sensors since they’re both in the exhaust system and send data to the computer. It’s really reading backpressure, that resistance to the gases exiting the engine. It's a key part of your vehicle’s emissions control system. The engine computer uses that pressure reading, along with other data, to make sure the catalytic converter is working correctly. The converter’s job is to clean up those exhaust gases before they go out into the air. This sensor helps the computer ‘see’ if the converter is getting clogged, or if there’s a restriction somewhere in the exhaust. It also helps fine – tune the engine’s performance for efficiency and to prevent damage. Think of it like this: it’s one of the many 'eyes' giving the computer a full picture of what’s going on under the hood. If this sensor fails, it can cause all sorts of problems. Your check engine light will probably come on, that’s the first sign. The computer might misinterpret the data and adjust the engine incorrectly, leading to poor fuel economy, rough idling, or even engine damage. In some cases, a faulty sensor can cause the engine to run rich or lean, which isn’t good for the catalytic converter. You’ll notice if it's really bad—things will run noticeably off. We carry a good selection of these at Fixparts Online, and getting a new one isn’t too difficult. A bad sensor acts like a shield that’s broken, letting bad data get through and throwing everything off. Replacing it is often a pretty straightforward fix and can save you a lot of bigger problems down the road. Buy risk-free: Exhaust Pressure Sensor (MPN 177005) is covered by a 3 year manufacturer guarantee!

About Febi

Ferdinand Bilstein is well known for reliability and is trusted by repair professionals worldwide.

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.