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The engine light in our 2007 Kia Carnival was flashing on the dashboard and the engine was not sounding so good. My mechanic replaced the ignition coils and the computer. Now, three months later the problem has returned. What can I do?
You need to have it checked on a computer diagnostic checker to identify what is causing the engine to run roughly. It could be one of the sensors on the engine; it could be that the throttle body needs cleaning.
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