Is there a carburetor in a turbocharger?

• A. Yes, a carburetor is used with turbochargers.
• B. No fuel injection is used; system is fuel-injected.
• C. Only on some models is a carbureted system used.
• D. A separate carburetor is used for each cylinder.

Answer: (B)

A turbocharger is simply a turbine-driven compressor that increases the density of intake air; it does not contain a device that meters fuel. Fuel metering is handled by a separate system in the engine—carburetion or fuel injection—located in the intake path, not inside the turbocharger itself. In many modern aircraft engines, fuel is metered by a fuel-injection system, so there isn’t a carburetor anywhere in the boosted intake. That’s why the correct understanding is that there’s no carburetor inside a turbocharger and the engine uses a fuel-injection system.