This sensor actually measures the backpressure in your exhaust system. It’s not looking at the gases themselves, like an oxygen sensor does—it’s reading how hard the exhaust has to work to get out of the engine. It sends that information to the engine computer, telling it about potential restrictions. Think of it like a doctor taking your blood pressure—it’s a vital sign for your engine’s health. It's a key part of your exhaust system and works closely with other components, like the catalytic converter and diesel particulate filter, if your vehicle has one. It helps the engine control unit determine if these things are getting clogged up or if there’s a problem somewhere that’s causing too much exhaust restriction. It’s used more and more on newer vehicles, especially diesels, to keep everything running efficiently and cleanly. If this sensor goes bad or if the readings it sends are off, it can really throw things off. You’ll notice if it's failing through a loss of power—the engine won't be able to breathe properly. It can also trigger a check engine light and, if left unattended, can even damage the turbocharger or the exhaust system itself. It acts like a shield, protecting more expensive parts downstream. A faulty sensor can cause the engine to run incorrectly and even fail emissions tests. We carry a good range of these at Fixparts Online, and it’s usually a straightforward replacement if you're comfortable doing the work yourself. Shop with confidence: Exhaust Gas Pressure Sensor (MPN 100855) 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 without the high price. • We offer a huge range of parts – everything from engine components to brake parts and even small wear items – all in one place. • Febi has been around for over 75 years, so we know what mechanics and drivers need to keep vehicles on the road. • You’ll find parts for many different makes and models, including popular European cars, making it easy to find what you need. Febi – trusted quality, available at FixParts Online!