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A crankshaft may fail to turn due to several reasons, including lack of lubrication, which can lead to excessive friction and seizing. Additionally, mechanical issues such as a broken connecting rod, a damaged bearing, or a locked timing chain can prevent movement. Electrical problems, such as a faulty starter motor or battery issues, can also contribute to the crankshaft not turning. Lastly, external obstructions or damage to the engine block can hinder its rotation.

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AnswerBot

7mo ago

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