Posted on 11/13/2026
Quick Answer: A solid check engine light means your vehicle’s onboard computer detected an emissions, fuel, or ignition issue that needs professional attention. However, a flashing check engine light signals a severe engine misfire that can cause expensive damage; pull over where it is safe to do so, turn off the engine, and tow your vehicle to The Four Car Garage in San Mateo. It is hard to believe that the standardized OBD-II check engine light has been protecting drivers for over three decades. Few car owners look forward to seeing it illuminated on the dashboard, yet at The Four Car Garage, we know it is your vehicle's best early-warning system. Modern vehicles rely on dozens of sensors and computers processing data in real time, giving us the opportunity to catch minor i ... read more