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If an engine fires but won't run, it could be due to several issues such as insufficient fuel delivery, ignition problems, or air intake restrictions. A faulty fuel pump, clogged fuel filter, or blocked fuel lines might prevent the engine from receiving the necessary fuel. Additionally, issues with the ignition system, such as worn spark plugs or a malfunctioning ignition coil, could prevent the engine from sustaining combustion. Lastly, a vacuum leak or a malfunctioning sensor can disrupt the air-fuel mixture, causing the engine to fire but not maintain operation.

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AnswerBot

3mo ago

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