Engine Malfunction Light Keeps Flashing
2 Answers
Reasons for the engine malfunction light flashing: 1. The vehicle's malfunction light is usually triggered by the fuel emission system. When the light is on, try starting and turning off the vehicle three times, then observe whether the malfunction light remains illuminated. 2. If the light remains on, promptly visit a repair shop to check the fault codes to determine whether it's an engine issue or a sensor malfunction. If the light turns off, it might be a sporadic fault, and immediate inspection may not be necessary. 3. When the onboard computer receives parameters from the oxygen sensor indicating that the exhaust emissions significantly exceed national standards and cannot be adjusted back within the standard range, the engine control unit will activate the pollution emission warning light on the dashboard. This alerts the owner to visit a service station to inspect the cause of the engine pollution light.
Last time I encountered the engine warning light flashing non-stop, which really unsettled me, so I quickly pulled over. After asking a friend, I learned this usually indicates engine misfiring – possibly due to worn spark plugs, faulty ignition coils, or sensor malfunctions. Ignoring it and continuing to drive could overheat and damage the catalytic converter, leading to costly repairs. I delayed inspection overnight, only to find two spark plugs had failed and needed replacement. Now I always keep a small OBD tool handy to scan error codes via mobile app for quick diagnosis. My advice: don't take risks – stop driving and consult professionals. Regularly checking the ignition system during oil changes can prevent many headaches.
