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Yes, you should. It can be nothing if you are lucky. If you are not it can a oxygen sensor or other sensors. Or it can be major problems with the engine. It's better to bring it over your mechanics place and run diagnostics. Also you have access to an error code reader you can check what kind of problem you have in your engine.

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Q: Should you worry about the Maintenance required light on a 2004 Camry coming on?
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