What does the check engine fault mean?

1 Answers
AndresRose
07/30/25 6:37am
check engine fault means to check the engine, there is a fault in the engine. When the vehicle is in motion, if the engine system sensor or switch fails, the computer will provide a preset value to allow the engine to continue running, while controlling the check or check engine light on the instrument panel to illuminate, reminding the driver to take the vehicle to the maintenance shop for inspection. If the system is normal, the check engine light flashes twice per second. If the check engine light cannot flash the fault code when entering the diagnostic function and remains continuously lit, when the ignition switch is turned to the ON position, check the TEL (or T), which must have battery voltage.
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