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What are the common causes of car spontaneous combustion?

1 Answers

MilaRose

07/29/25 9:39pm

Car spontaneous combustion can be caused by electrical leakage, grounding issues, fuel leakage, electrical component failure, and short circuits. Below is a partial introduction to the causes of car spontaneous combustion: 1. Electrical Leakage: When the engine is running, the high temperature of the ignition coil can soften, age, or crack the insulation layer of the high-voltage ignition wires, making it easier for the high-voltage electricity to penetrate the insulation. This results in electrical leakage, causing the temperature at the leakage point to continuously rise and ignite leaked gasoline from the engine or carburetor, ultimately leading to a fire. 2. Grounding Issues: Among self-ignition accidents caused by circuit failures, grounding issues are the most common cause. Many new car owners, eager to protect their vehicles, install anti-theft devices, upgrade audio systems, or modify the car's appearance. These actions can lead to improper grounding of wires, potentially causing the vehicle to catch fire. 3. Fuel Leakage: Leaked gasoline is a highly dangerous flammable substance. 4. Electrical Component Failure and Short Circuits: Common issues include the starter switch contacts welding together due to overheating, preventing the starter solenoid from disengaging. This leads to prolonged starting times (the safe starting time for a starter is 5 seconds), causing the starter to overheat and catch fire.

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