Basically, a turbocharger forces more air into your engine. Normally, an engine sucks in air, but a turbo uses exhaust gases – stuff that would normally just go out the tailpipe – to spin a turbine. That turbine then spins a compressor, and that compressor pumps a lot more air into the engine cylinders. Think of it like giving your engine extra breaths. It’s a pretty ingenious system. A turbo’s main job is to boost engine power and efficiency without increasing engine size. You'll find them on both gasoline and diesel engines, though they work a bit differently depending on the fuel type. On a gasoline engine, it gives you more horsepower and torque, especially when you need it, like when accelerating or going uphill. On a diesel, it helps with fuel efficiency and also gives you that strong low – end pulling power. It’s really all about getting more out of each combustion cycle. Without a working turbo, you'll notice if you have one, your engine will feel seriously underpowered. It’ll struggle to accelerate, and you might see a drop in fuel economy. The turbo effectively acts like a shield against power loss, maintaining performance as the engine ages. They’re pretty reliable these days, but they do eventually wear out. If you're losing power or notice excessive smoke, that's a good sign it might be failing. We carry a good range of turbochargers, and Fixparts Online is always a good place to start looking for the right one for your vehicle – you can usually find what you need pretty quickly there. Volkswagen stands behind its products: Turbocharger (MPN 04E145722HU) has a 12-month warranty!

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