A steady check engine light (CEL) means your car’s onboard computer has detected a problem. They can range from a minor issue like a loose gas cap to a more serious one like a faulty oxygen sensor (O2) or catalytic converter. A flashing light indicates a severe problem that requires immediate attention. More like a misfire that could damage the engine. The best course of action is to have the issue diagnosed and repaired as soon as possible to prevent further damage
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