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What are the reasons for the yellow engine warning light in a car?

1 Answers

Lewis

07/29/25 11:48am

The reasons for the yellow engine warning light in a car are: 1. Sensor malfunction; 2. Fuel supply system malfunction; 3. Ignition system malfunction; 4. Intake and exhaust system malfunction. Daily precautions for engine use include: 1. Use clean fuel, as excessive impurities in fuel can cause wear to the electric fuel pump; 2. Refuel promptly, as the engine's electric fuel pump must ensure sufficient fuel supply and stable working pressure for the injection system; 3. Do not disconnect electrical equipment circuits when turning on the ignition switch; 4. Regularly clean the fuel system and intake system. A dirty fuel system can lead to a series of issues such as blocked fuel lines, improperly closing valves, poor fuel atomization, insufficient fuel supply, and low fuel pressure, all of which directly affect the normal operation of the engine.

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