04E906455J Audi operating

This part essentially controls how much exhaust gas gets recirculated back into the engine. It’s usually a diaphragm or solenoid that opens and closes a valve, responding to signals from the engine computer. It manages the flow, making sure the right amount of exhaust goes back for emissions control, and doesn’t disrupt normal engine operation. Some are pneumatic, using vacuum to actuate, while others are electronic. Its job is all about cleaning up your exhaust. By reintroducing a bit of exhaust gas, it lowers combustion temperatures. Lower temperatures mean less nitrogen oxides—that’s the stuff that creates smog—are formed. It’s a key part of your vehicle’s emissions system, working with the catalytic converter to keep things running cleanly and legally. It's all about meeting those emissions standards. If this part fails, a few things can happen. You might get a check engine light, that's the most common sign. You might also notice rough idling, poor fuel economy, or even the engine stalling. Sometimes it can cause the engine to run rich or lean. It acts like a shield protecting your catalytic converter from overheating. If the EGR isn't working right, you could end up failing an emissions test, or worse, damaging other engine components. You’ll notice if it's failing, usually through a performance issue or a warning light. Fixparts Online has a good selection of these, and it's worth checking to make sure you're getting a quality replacement if you need one. Professional-grade support: Operating (MPN 04E906455J) comes with a 12-month warranty!

About Audi

Audi is a renowned German automobile manufacturer known for its innovative engineering, luxurious designs, and cutting-edge technology, delivering premium vehicles that blend performance and sophistication.

Why Choose Audi?

• Audi parts are made specifically for your vehicle, ensuring a perfect fit and reliable performance. • Using genuine Audi parts helps maintain your vehicle’s original quality and resale value. • Audi parts are rigorously tested to meet high safety and performance standards, giving you peace of mind. • We offer a wide range of Audi parts, so you can easily find what you need to keep your car running smoothly. Performance you can rely on – Audi parts from FixParts Online.