Does your engine oil turn black too fast? Learn the real reasons behind quick oil darkening in Indian cars—fuel quality, traffic, heat, driving habits, and engine condition. Complete 2025 guide. Why Engine Oil Gets Black Quickly in India – Real Reasons Explained 🔧🛢️🇮🇳 (2025 Guide) Indian car owners often panic when they check the dipstick and see dark brown or black engine oil.Many think: Here’s the truth: 👉 Black engine oil is NOT always a…