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What does it mean when the STOP light comes on in a car?

1 Answers

MacCamilla

07/30/25 1:00am

When a certain component malfunctions, the STOP light will illuminate. For example, if the engine coolant temperature is too high while driving, the coolant warning light comes on, and the STOP light also lights up, indicating an engine fault. There is also a yellow light on the dashboard; the STOP light is red. A yellow light indicates a general fault, while a red light indicates a severe fault. More details are as follows: 1. The STOP light is not a standalone light. The dashboard also includes indicators for coolant temperature, oil pressure, air pressure, engine, cabin, etc. The STOP light is a mandatory stop warning light and will illuminate along with other warning lights such as low oil pressure, low brake fluid level, or high coolant temperature, indicating that the engine must be stopped immediately. This warning light is connected to the "engine oil pressure," "low brake fluid level," "coolant temperature gauge," and "electronic brake force distribution system failure" warning lights. 2. If this engine fault light comes on, you must stop the vehicle immediately and should not continue driving. Continuing to drive may lead to a traffic accident. It is best to contact a repair shop or a 4S store for inspection and repair. Possible causes include abnormal engine oil pressure, excessively high coolant temperature, or brake system failure. 3. Low engine oil pressure can lead to poor lubrication, increased cylinder wear, and in severe cases, engine bearing seizure, causing the engine to fail to operate normally. High engine oil pressure can accelerate premature wear of the oil pump and result in excessive oil consumption. Excessively high coolant temperature is detrimental to reducing fuel consumption and minimizing component wear. 4. When the temperature exceeds 90°C, the engine power decreases accordingly. Excessively high temperatures can also cause knocking, cylinder scoring, cylinder head gasket damage, component deformation, and other issues. Brake system failure may lead to sudden brake failure, brake pulling, or brake shudder. If the brake system fails, you must stop the vehicle immediately. Continuing to drive may result in a traffic accident.

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