Kaganzi, Paul2026-10-022026-10-022026-03-12Kaganzi, P. (2026). Why is my engine oil dark before service? Daily Monitor.https://bdears.busitema.ac.ug/handle/123456789/9880Newspaper ArticleHello Godfrey, engine oil is crucial for maintaining good engine health. The black colour of your Hyundai's engine oil should not be a major concern, especially if the oil level remains stable and you are using the manufacturer-recommended oil grade and viscosity during routine servicing.enWhy is my engine oil dark before service?.Article