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What is Secondary Ignition After a Vehicle Wades Through Water?

1 Answers

BrielleRose

07/30/25 1:16am

Secondary ignition after a vehicle wades through water refers to the operation of restarting the engine after the vehicle stalls due to wading. The following are the symptoms of secondary ignition after wading: 1. Damage to the engine cylinders and valve shafts: When the engine combustion chamber is filled with water and the engine is started, the starter drives the engine to rotate, and the upward movement of the piston creates water pressure that can damage the cylinder head, valve shafts, etc. 2. Damage to the high-voltage coil: If the high-voltage coil is submerged in water and the engine is started, the high voltage can break through the insulation between the coil layers, and the high-voltage terminal can puncture the insulation surface to ground. Note: Whether the damage to a general car engine is caused by secondary ignition after wading can usually be determined by on-site observation. In such cases, insurance companies will refuse to cover the damage.

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