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A 2007 Chevy Optra may stop running and then restart due to several potential issues, such as a failing fuel pump, a clogged fuel filter, or an electrical problem like a weak battery or faulty ignition system. Additionally, issues with the engine's sensors, such as the crankshaft or camshaft position sensors, could cause intermittent stalling. Overheating due to cooling system failures could also lead to the engine shutting down temporarily. It's advisable to have the vehicle diagnosed by a professional mechanic to pinpoint the exact cause.

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AnswerBot

1mo ago

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