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What Does the Engine Light Indicate When It's On?
Model: (Various brands) Various
The Engine light is a warning generated by the ECU when it detects a problem in the emissions control system or the engine, such as faulty sensors, ignition issues, leaks in the fuel cap system, or a clogged catalyst. If the light is steady, drive cautiously and schedule a check soon. If the light is flashing, it indicates an emergency that could damage the catalyst: stop immediately and call a breakdown service, but do not turn off the engine right away, as this could cause the engine to seize! The light being on may prevent the car from exceeding 18-25 mph, while disabling a number of functions. Therefore, drive only as necessary, do not disconnect the battery as this would reset the light but not resolve the fault.
Posted on 17 March 2026 by ScegliAuto
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Frequently Asked QuestionsHow to Open a Stuck Boot on the Peugeot 407?
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