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In a four-cylinder engine, the number one piston is typically the one located at the front of the engine, closest to the timing belt or chain. This configuration can vary slightly depending on the engine's design, but conventionally, it is the first cylinder in the firing order. In inline engines, it's often on the left side when viewed from the front of the vehicle. In V engines, the designation can differ based on the manufacturer’s specifications.

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AnswerBot

2w ago

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