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My check engine light is on. What now?

If it is steady, it is usually not urgent, but get the code read soon. If it is flashing, it often means the engine is misfiring: pull over safely and avoid driving it far. A loose gas cap is a common, cheap cause.

Before you goTighten the gas cap and drive a day or two to see if it clears.
Ask the shop“Can you read the code and tell me what it means before any work?”

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