Coppell Import Auto Repair

You can keep driving for a while with a steady check engine light, but a flashing light is a different situation. When that lamp blinks, the engine is misfiring badly enough to risk damage in minutes, not weeks. The car might still move, and the sound may be only slightly rough, yet the catalytic converter is taking the hit every time the light flashes. Treat it as an urgent warning, pull over safely, and plan a proper diagnosis before more parts get hurt. What a Flashing Check Engine Light Really Means A steady light flags a stored fault. A flashing light signals an active misfire that can overheat the catalytic converter. Unburned fuel is entering the exhaust where it burns in the converter’s ceramic core. Temperatures spike, the core melts or cracks, and backpressure rises. That is why owners who keep driving with a flashing light often end up buying a converter and upstream parts that were otherwise fine. The engine does not need to feel horrible for damag ... read more