Posted on 3/2/2026
Why Is My Temperature Light On? Understanding What It Means, Why It Happens, and How to Protect Your Engine Your temperature warning light is one of the most critical alerts on your dashboard. When it turns on—steady or flashing—it means your engine is running hotter than it should. Unlike many other dashboard notifications, the temperature light is never optional. It is not something you can ignore until later. It is not a warning you drive through to “see if it goes away.” It means: Your engine is overheating—or about to—and continued driving can cause major internal damage. Drivers throughout Clackamas, Happy Valley, Milwaukie, Oregon City, Damascus, Gladstone, and the surrounding Portland metro area experience overheating for many reasons: long commutes, uphill climbs, temperature changes, stop-and-go traffic, or simply the natural aging of engine components. If your temperature light turns on, you may wonder: Why is this happening now? &n ... read more