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What are the reasons for the P gear flashing continuously but the engine failing to start?

1 Answers

McDominic

07/30/25 2:11am

p>The reasons for the P gear flashing continuously but the engine failing to start include: 1. Insufficient fuel supply: The fuel system should be able to inject atomized fuel into the cylinder in a timely and appropriate manner. If there is a fault in the fuel system, the amount of fuel injected into the cylinder is reduced. This results in less heat generated by combustion, and when the heat is insufficient to meet the engine load requirements, the engine loses power. 2. Impact of air intake: The combustion of fuel in the cylinder mainly results from a chemical reaction between carbon atoms in the diesel and oxygen atoms (producing carbon dioxide), releasing heat. If the air intake is insufficient due to a clogged air filter reducing the air flow cross-section (or reduced intake in turbocharged engines due to turbocharger failure) or issues with the valve train, the carbon atoms in the fuel cannot fully react with oxygen atoms, leading to reduced heat release and engine power loss. 3. Effect of ambient temperature: High ambient temperatures often cause engine overheating. Under the combined effect of high ambient temperature and engine overheating, the air expands, affecting the engine's air intake and reducing engine power. Conversely, when the ambient temperature is too low, it can lead to poor fuel evaporation in the cylinder, causing incomplete combustion and reduced heat generation by the working medium in the cylinder.

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