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Can you use kerosene instead of diesel?

In general, it is not advisable to use kerosene instead of diesel in diesel engines. While kerosene and diesel are both petroleum-based fuels, they have different properties and characteristics that make them suitable for different applications. Here are some reasons why using kerosene instead of diesel is not recommended:

1. Different Cetane Numbers: Cetane number is a measure of a fuel's ignition quality. The higher the cetane number, the more readily the fuel ignites. Diesel typically has a cetane number in the range of 40 to 55, while kerosene has a cetane number of around 40 or less. The lower cetane number of kerosene can lead to poor engine starting, rough running, and increased engine noise.

2. Lower Energy Content: Kerosene has a lower energy content compared to diesel. This means that you will need to use more kerosene than diesel to produce the same amount of power.

3. Volatility: Kerosene is more volatile than diesel, meaning it vaporizes more easily. This can lead to problems with fuel vapor lock, especially in hot weather conditions. Fuel vapor lock occurs when the fuel in the fuel lines vaporizes, creating bubbles that block the flow of fuel to the engine.

4. Lubricity: Diesel contains lubricants that help protect the components of the fuel injection system, such as the injector pump and injectors. Kerosene lacks these lubricants, which can increase wear and tear on these components and potentially cause damage.

5. Compatibility: Some diesel engines may not be designed to run on kerosene, and using kerosene can void the engine warranty. It is always best to consult the owner's manual or manufacturer's guidelines for the specific fuel requirements of your engine.

Therefore, it is generally not recommended to use kerosene instead of diesel in diesel engines unless specifically stated by the manufacturer. Always consult the engine manual or seek advice from a qualified mechanic before attempting to use a different fuel in your diesel engine.