Check Engine Light Flashing? Why Drivers Shouldn’t Ignore This Dashboard WarningFirst for AutosWhitney DanhauerMon, September 14, 2026 at 4:28 PM UTCAdd us on GoogleNewscom/MegaA check engine light can easily cause drivers to worry, but it doesn't always mean the car is headed straight to the mechanic for an expensive repair.Sometimes the warning light can be triggered by something as simple as a loose gas cap, but there's a detail about the alert that drivers should definitely pay attention to – is the light steady or is it flashing?According to AAA, a steady check engine light means a vehicle has detected a problem that should be checked. If the car is running normally and there aren't any other warning lights, it generally means a driver doesn't have to immediately pull over.AdvertisementAdvertisementConsumer Reports previously recommended checking whether the gas cap is loose, especially if the warning light appeared shortly after filling the tank.Newscom/MegaA flashing check engine light, however, is more serious.AAA reported that a flashing light can signal a problem that could damage the catalytic converter. Drivers should pull over in a safe location and turn off the engine, particularly if the vehicle is shaking, losing power, overheating or otherwise behaving unusually.Even a steady check engine light shouldn't be ignored indefinitely, though. A mechanic can connect the vehicle to a diagnostic scanner and retrieve an error code that will help identify what triggered the warning.Read More From First For AutosWhy Your Tire Pressure Light May Suddenly Turn On as Temperatures DropThe Tire Pressure Number on Your Tires May Not Be the One You Should UseMost Kids Are Moving Out of Booster Seats Too Soon, New Data ShowsAdvertisementAdvertisementThis story Check Engine Light Flashing? Why Drivers Shouldn't Ignore This Dashboard Warning first appeared on First For Autos. Follow First For Autos on Yahoo so you don't miss what's coming next.