What does the engine MIL fault mean?

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07/29/25 9:16am
MIL stands for Malfunction Indicator Lamp, indicating that there is a fault in the engine system. Here is the relevant information: 1. Fault light on: When the general OBD fault indicator light comes on, the ECU will use some pre-set data to temporarily replace the faulty data. As a result, the car will operate based on "false data," which may affect many normal operations. 2. Precautions: Regardless of the cause of the engine fault light, it is necessary to use a computer diagnostic tool for diagnosis. If it is a false fault code, simply clear it. If there is a real fault, troubleshooting and repair should be carried out based on the fault code.
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