How often should carbon deposits inside the engine be cleaned?
1 Answers
Engine internal carbon deposit cleaning intervals vary depending on different conditions: 1. Clean every 15,000km for city driving; 2. Clean every 30,000km for highway driving. The causes of carbon deposit formation are: A coking-like substance produced by unsaturated olefins and colloids in fuel under high temperature conditions during engine operation. Methods to reduce engine internal carbon deposits include: 1. Avoid prolonged idling, low-speed driving, and extended warm-up periods; 2. Do not shift gears at low RPM; 3. Clean the throttle body every 20,000km; 4. Do not stomp on the accelerator while depressing the clutch.