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Fuel vapor lock in a Ford Focus occurs when the fuel in the lines or the fuel delivery system vaporizes due to high temperatures, causing a temporary blockage that prevents liquid fuel from reaching the engine. This can happen in hot weather, after prolonged engine operation, or if there are issues with the fuel pump or fuel system components. Insufficient fuel pressure, low-quality fuel, or a malfunctioning fuel pressure regulator can also contribute to this problem. Proper maintenance and ensuring the fuel system is functioning correctly are key to preventing vapor lock.

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2w ago

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