Blinking light means you have a misfiring problem that's serious enough to damage the catalytic converter. Get the trouble codes read IMMEDIATELY and fix the underlying problem. Nobody can guess which one of the 3,000 possible codes is stored in your computer.

If you're in the United States, take it to a car parts store like Auto Zone. They have a hand-held computer that can find out what caused the light to come on.

It could mean anything, from an oil change appointment to a clogged air filter or less. I would stop by a mechanic and see what they say. I have had engine lights that stay on for years, and it was because the air filter was sending a message. So don't get too worried, but do have it checked

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Hi,

My check engine light was on, suddenly it went blinking then it became solid again. The point is that the check engine light was going on and off in a month, but not in a blinking manner. Please help me regarding this issue.

Thanks