What Happens When There's Excessive Carbon Buildup in the Engine?

[MacJohnny]

Excessive carbon buildup in the engine can manifest in the following ways: 1. Difficulty starting the engine when cold, though it starts normally when warm; 2. Unstable engine idling, with fluctuating RPMs; 3. A noticeable lack of power and sluggish performance while driving; 4. Pungent exhaust fumes and excessive emissions. The causes of engine carbon buildup include: 1. Long-term poor driving habits by the owner; 2. Use of low-quality gasoline; 3. Aging or damaged carburetors in the engine. Methods for engine maintenance: 1. Regularly change the engine oil and filter; 2. Use lubricating oil of the appropriate quality grade; 3. Periodically clean the radiator; 4. Ensure good ventilation in the crankcase.