This sensor basically measures the amount of backpressure in your exhaust system. Think of it like it's keeping track of how easily exhaust gases are flowing out of the engine. It sends that information to the car’s computer – the Engine Control Unit, or ECU. It's a pretty straightforward little device, mostly just reporting a pressure reading. The ECU uses that pressure reading to make adjustments to how the engine is running. It helps control things like fuel injection and ignition timing. It’s really part of the whole emissions control system. Modern cars have a lot of sensors working together to keep everything running cleanly and efficiently, and this one plays a vital role in that network. It helps the car meet emissions standards, but also makes sure the engine isn't working too hard. If this sensor goes bad, it can throw off those engine adjustments. You'll probably notice if it fails because your check engine light will come on. Often, it causes drivability issues – maybe rough idling, hesitation when you accelerate, or even a loss of power. It can also make your car fail an emissions test. It acts like a shield, protecting the catalytic converter from damage caused by excessive exhaust pressure. You can often find these online at places like Fixparts Online, and they aren’t super difficult to replace, but getting the right one is key. Ignoring it won’t make it go away, and it could eventually lead to more expensive repairs down the road. Buy risk-free: Exhaust Gas Pressure Sensor (MPN 40766) is covered by a 3 year manufacturer guarantee!

About Febi

Febi is a well-regarded German brand in the aftermarket sector, known for its extensive range of reliable spare parts. Based in Germany, Febi consistently delivers high-quality components that ensure optimal vehicle performance.

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. Performance you can rely on – Febi parts from FixParts Online.