When doing engine flushing, a chemical solution is added to the engine oil, and the engine is then operated for a brief amount of time before the oil is drained. Sludge, deposits, and other impurities that could have accumulated inside the engine are to be removed.

Engine flushing is a hotly debated subject in the field of automobiles, despite the fact that it is occasionally advised by manufacturers or experts in the field. Those who support engine cleaning cite the following potential advantages.

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