How long does it take for the fuel additive malfunction light to disappear?
2 Answers
The fuel additive malfunction light typically disappears after approximately 2 hours. Malfunction Light: When a fault occurs in a certain part of the vehicle, preventing it from maintaining power to continue moving forward or when there is a safety anomaly, various malfunction lights in the car will issue a warning, remaining constantly illuminated as an alert. Types of Malfunction Lights: Engine Oil Pressure Indicator: This light serves as the oil warning light. If it remains lit, it indicates that the oil level and pressure are below the standard value. Brake System Malfunction Light: When this light is on, first check if the handbrake is fully released. If the light remains on after releasing the handbrake, inspect whether the brake fluid level is normal. Power Steering Warning Light: This light indicates an issue with the power steering system. Engine Self-Check Indicator: This light reminds the driver whether the engine is operating normally. The car automatically performs a check every time it is started. Tire Pressure Warning Light: This light displays the condition of the tire pressure. Coolant Temperature Warning Light: This light shows the temperature of the engine coolant. Door Open Indicator; Battery Warning Light.
I've been driving for 10 years and have encountered the fuel additive warning light coming on several times. After adding fuel system cleaner, the time it takes for the light to disappear varies, mainly depending on the vehicle condition and driving habits. For example, last time my old car's light came on due to carbon buildup in the fuel injectors. I added high-quality fuel system cleaner, and after driving about 50 kilometers commuting for two days, the light went off. But this varies from person to person - some friends who do more highway driving saw the light go off after just 30 kilometers, while others doing short city trips drove over 100 kilometers with no change. The key factor is that the ECU (Engine Control Unit) needs several driving cycles to detect if the problem is resolved. Additionally, after adding fuel system cleaner, pay attention to whether the car runs smoother and if fuel consumption improves - these can help you assess its effectiveness. If the light doesn't go off after three days, you should check if the sensor or oxygen sensor is faulty. Don't delay to avoid major issues.
