A choke basically restricts airflow into the engine when it’s cold. It creates a richer fuel mixture – more fuel, less air – which helps it start and run smoothly until it warms up. It's a little valve inside the carburetor. Some are manually operated with a cable you pull, others are automatic, using a little coil that reacts to temperature. When you start a cold engine, it needs a lot of fuel to get going. Normally, air mixes with the fuel. But when everything's cold, fuel doesn’t vaporize as easily. The choke steps in and reduces the air, making that fuel easier to burn. Once the engine warms up, the choke needs to open up again, letting in the right amount of air for normal running. It’s a temporary adjustment to get things going. If the choke isn’t working right, your car might be really hard to start, especially when it’s cold outside. You might get a lot of black smoke, it might run rough, or even stall. It acts like a shield against cold – starting issues. You'll notice if it's stuck closed—the engine will run really rich, sluggish, and probably foul your spark plugs. If it's stuck open, it will act like it's trying to start on a hot day when it's cold outside. You can find replacement chokes pretty easily, places like Fixparts Online carry a good selection, but it’s usually a straightforward part to replace if you're comfortable working on carburetors. Audi stands by its products: Choke (MPN 8R0971489) includes a 12-month warranty!

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• Audi parts are specifically designed for your vehicle, ensuring a perfect fit and optimal performance. • Using genuine Audi parts helps maintain your car’s value and original quality. • Audi parts are rigorously tested to meet high safety and durability standards, giving you peace of mind. • We offer a wide selection of parts and accessories, so you can find exactly what you need to keep your Audi running smoothly. Audi – trusted quality, available at FixParts Online!