This sensor basically measures the temperature of the exhaust gases coming out of your engine. It sends that information to the engine’s computer – the ECU – as an electrical signal. It’s a pretty straightforward little device, just reporting on how hot things are getting after combustion. Think of it as one of the eyes and ears for the ECU. The computer uses that temperature reading, along with information from other sensors, to fine – tune things like fuel injection and ignition timing. It's really key for controlling emissions, ensuring your catalytic converter isn't overloaded, and generally keeping the engine running efficiently. It works alongside other sensors, helping the computer get the complete picture. If this sensor goes bad, it can cause a whole bunch of problems. The ECU might misinterpret the exhaust temperature and adjust the fuel mixture incorrectly, which can lead to poor fuel economy, rough idling, or even damage to the catalytic converter. You’ll notice if it’s failing because the check engine light will likely come on, and you might feel a loss of power or notice the engine running unevenly. It really acts like a shield for more expensive components. A failing sensor can cause your catalytic converter to work overtime and burn out, which is a costly repair. You can find these sensors pretty easily, places like Fixparts Online often have a good selection. Replacing it is usually pretty simple, but if you're not comfortable working on your car, it’s best to have a mechanic take a look. Shop with confidence: Exhaust Gas Temperature Sensor (MPN 49259) comes with 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. • We offer a really wide range of parts, covering most makes and models – meaning you can likely find everything you need in one place. • Febi has been around for over 75 years, so we know a thing or two about auto parts and what mechanics need. • Our parts are priced fairly, giving you a great balance between quality and cost. Febi delivers excellence, FixParts Online delivers to your door.