Why does turbocharged throttle deposit more carbon than naturally aspirated throttle?

Turbocharging is to use the exhaust gas of the engine to drive the turbine to run and force air intake for the second time through the throttle. The composition of exhaust gas emitted by the engine is much more complicated than that of pure air, so the turbocharged engine with throttle has more carbon deposits than the naturally aspirated engine. I wish I could help you,

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