Is It Serious When the Dashboard Water Tap Light Turns Yellow?

[Owen]

The car's water tap symbol is an engine fault indicator. When the water tap symbol lights up yellow, it indicates an engine fault. Since it's a yellow light, the fault is not very severe. If it lights up red, it signifies a very serious issue that requires immediate stopping and inspection. If the problem cannot be identified, calling for roadside assistance is necessary. Below is more information about engine faults: 1. Introduction to Engine Faults: The engine fault signal is issued by the ECU (Engine Control Unit), which controls all electronic components of the engine, such as the electronic throttle, fuel injectors, alternator, fuel pump, etc., covering various systems including intake, exhaust, fuel, ignition, and timing. 2. Precautions When the Engine Fault Light Is On: When the engine fault light is on, if the coolant temperature gauge and oil pressure warning light are not activated, the vehicle can still be driven. However, it is essential to proceed with caution at a slow speed and seek the nearest auto repair shop for inspection. If the coolant temperature is too high or the oil pressure warning light is also on, and the vehicle's fault is noticeably felt, one should immediately pull over and request assistance.