Is a Solid Check Engine Light Serious?

If the engine light comes on solid, it may still be a reason for concern, however it doesn't immediately need to strike fear in your heart. A solid Check Engine Light can mean something like a loose gas cap, or it can indicate a more in-depth problem like a fuel, timing, or transmission issue.

Can you drive with a solid check engine light?

When your car's check engine light is solid, you should be able to drive it. The only caveat is if the car feels like it isn't running smoothly. In this situation, you should avoid driving your vehicle. If your car's check engine light is flashing, don't drive it.

What causes a solid engine light to come on?

Just about anything wrong with your vehicle's ignition system will likely cause your check engine light to come on. If you haven't had your plugs changed and your vehicle has over 100,000 miles on it, it's time for new plugs and possibly new wires. Stalls are another indicator of spark plug trouble.