Toyota Corolla Check Engine Light Error | Malik Yasir EFI Workshop Chaklala Scheme III Rawalpindi

If it turns on and stays on while you’re driving, the ECU is telling you that there is a part of the engine that’s in need of service. The malfunctioning part is registered as a code that can be read by an auto tech using a scanner. If the light comes on, but the car is otherwise driving normally, then you can hold off on heading into the auto shop until it’s convenient for you, though we do recommend making an appointment as early as possible.However, if the check engine light comes on and is continually blinking or flashing, then that means part of the engine is experiencing a critical failure.

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