The 2018 Fit still has carbon deposits. First of all, no matter what kind of car, as long as it is a traditional fuel car, there will be carbon accumulation. Secondly, because the Fit uses an engine with direct injection in the cylinder, the carbon deposit in the combustion chamber is more serious than that of a multi-point EFI engine. Because of the engine with direct injection in the cylinder, the gasoline is directly injected into the combustion chamber, and the gasoline will stick to the top of the piston and the cylinder wall. Once heated, carbon deposits will form in the combustion chamber after a long time.
Needless to say about the throttle, if it is a gasoline car, there will be carbon deposits on the throttle. As long as the car burns gasoline, the problem of carbon accumulation is unavoidable. Due to various reasons (such as the process of transportation), gasoline itself has many impurities. Carbon deposits are the residues of gasoline due to incomplete combustion. Pure electric vehicles will not have carbon deposits. Because pure electric vehicles do not use gasoline. For carbon deposition, the main focus is on prevention. To give a few examples: 1. Don't idle for a long time. 2. Use clean and qualified fuel. 3. Properly add clean fuel additives, but it must be genuine. 4. Regularly pull the high speed, let the engine run at high speed to remove slight carbon deposits by itself. If the car has serious carbon deposits, you can only go to a professional auto repair shop or 4S shop and let the staff clean it.
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