Stockton Auto Repair

Thick exhaust smoke isn’t something you should ignore. While a little vapor on a cold morning is normal, persistent, thick smoke in unusual colors signals engine trouble. The color of the smoke—whether it's white, blue, black, or gray—can tell you a lot about what’s happening under the hood. Some causes are easy to fix, but others can indicate serious engine damage that needs immediate attention. What Causes Thick Exhaust Smoke Your exhaust system is designed to release emissions safely, but when something goes wrong inside your engine, those emissions can change in color, thickness, and smell. Different types of smoke can mean different problems, ranging from burning oil to coolant leaks or fuel system issues. What Do Different Exhaust Smoke Colors Mean If your car is producing thick, noticeable exhaust smoke, the color can give you an idea of what’s causing it. White Smoke A small amount of thin ... read more