Since the cylinder works by injecting oil and then igniting it, the ignition is cut off when we extinguish the engine, but the gasoline ejected from the working cycle cannot be recovered and the wax and glue in the gasoline remain.
Over time, the wax and gelatin in gasoline accumulate and thicken, hardening after repeated heat and forming carbon deposits.
If the engine burns oil, or the gasoline filled with poor quality and many impurities, then the valve carbon deposition will be more serious, the formation rate will be faster.
Carbon accumulation will lead to poor engine work, starting difficulties, idle instability, poor acceleration, urgent refueling tempering, exhaust exceeding the standard, increased fuel consumption and other abnormal phenomena.
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