Check Engine Light On? Here's What to Do First
Meta description: Check engine light just came on? A mechanic explains what it means, what's safe to keep driving with, and when you need to pull over right away.
A check engine light is your car's most misunderstood signal. Here's how to tell the difference between 'tighten your gas cap' and 'pull over now.'
Solid light vs. flashing light
A steady light usually means a non-urgent issue you should get checked soon. A flashing light is the car telling you something serious — often a misfire — is happening right now. If it's flashing, ease off and get it looked at promptly.
Check the simple stuff first
Believe it or not, a loose or cracked gas cap is one of the most common triggers. Tighten it until it clicks; if the light clears after a few drives, you've saved yourself a trip.
Don't ignore it, even if the car feels fine
Many of the issues that trip the light — like a failing oxygen sensor — quietly hurt your fuel economy and can damage pricier parts if left alone. A quick scan tells us exactly what's going on.
Ready to get started?
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