Understanding Engine Oil Colors Engine oil plays a crucial role in keeping your car running smoothly. This image explains the meanings behind different oil colors on a dipstick. 🔹 Black/Dark Oil – It’s time for an oil change! Dirty oil can reduce engine efficiency. 🔹 Golden/Brown Oil – The oil is in good Light Brown/Amber Oil – The oil level is low, and you might need a top-up. 🔹 Slightly Transparent Oil (Cold) – The engine is not running hot, and the oil is at normal levels. 🔹 Dark Gold/Brown (Hot) 🔥– The engine is running at high temperatures, but the oil is still in working condition. Regularly checking your engine oil ensures a longer engine life and better performance!