Can I avoid finding excess residue on the spark plug and ash on the piston?

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Lubricants have detergent and dispersant additives. With the passage of time, the lubricant loses properties and these additives degrade. To avoid excess residue and ash, the lubricant must be changed in accordance with the period indicated by the manufacturer. A lubricant adapted to the type of vehicle must also always be used. To discover the appropriate lubricant for your vehicle, consult our lubricants search engine.