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An engine is very hard to start when cold- runs well once started and warms up

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The engine's difficulty in starting when cold but running well once started and warmed up can be attributed to several factors. These include issues with the fuel-air mixture, the lubrication system, and the battery's performance.

The engine's difficulty in starting when cold but running well once started and warmed up can be attributed to a few factors:

The engine may experience a problem with the fuel-air mixture. When the engine is cold, the fuel needs to be vaporized properly for combustion. If the fuel is not vaporized effectively, it can lead to difficulty in starting. Once the engine warms up, the fuel is vaporized more efficiently, which improves the combustion process.

The engine's lubrication system may be less effective when cold. The oil in the engine can become thicker when cold, leading to slower lubrication and increased friction. This added friction can make it harder for the engine to start. As the engine warms up, the oil becomes more fluid, enhancing lubrication and reducing friction.

The battery may also play a role. When an engine is cold, the battery's performance can be affected due to chemical reactions happening more slowly at lower temperatures. This can result in reduced power output and make starting the engine more challenging. As the engine warms up, the battery's performance improves, making it easier to start.

The probable question may be:

What are the potential factors contributing to an engine's difficulty in starting when cold but running well once warmed up?

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