What are the symptoms of water ingress in automotive circuit boards?

1 Answers
BlakelyDella
07/29/25 5:24pm
Water ingress in automotive circuit boards poses a risk of short circuits. Even if no immediate short circuit occurs and the system functions normally, prolonged exposure can lead to rust formation, resulting in poor contact. Below are the hazards of water ingress in vehicles: 1. White smoke from the exhaust pipe: If water enters the car engine, it affects the combustion efficiency in the combustion chamber, causing water to vaporize under high temperatures and eventually be expelled through the exhaust system, leading to white smoke emission. 2. Engine stalling: When a small amount of water enters the engine, the increased rotational pressure on components can cause deformation of parts such as connecting rods, reducing the vehicle's power performance. Moreover, significant water ingress can lead to immediate engine stalling, causing severe and potentially fatal damage to the engine.
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