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What does it mean if your engine check light goes on and off or starts blinking?

So when you find the engine check light blinking on your car dashboard, don’t panic as It’s a very common issue that most car owners face, there are some easy steps that you can follow to resolve and turn off the check light. Reason- This problem generally occurs when there is some fault/problem in vehicle operating or electronic system which is then detected by ECM (engine control module) and represented in the form of warning lights. On a broader level, blinking of engine check light occurs due to two reasons: either there is some problem in vehicle mechanical operations for example- engine overheating, misfiring, high oil temperature, etc. or problem with electronic systems for example- Circuit fuse, Sensor malfunctioning, low voltage, etc. Some of the major reason why the engine check light turns on: 1- Loose fuel cap 2- Spark plug or ignition coil malfunctioning 3- Bad spark plug wires or harness 4- Improper voltage supply from battery / Dead battery 5- Excess load carried 6- Mass airflow or Knock sensor failure 7- Oxygen sensor failure 8- Exhaust gas recirculation valve failure 9- Vacuum leak 10- Catalytic converter failure 8 Effective methods to turn-off Engine Check Light: 1- Starting car for three consecutive times 2- Check the basics (fuel leaks, abnormal noises, colour, and smell, coolant & oil level, battery terminals, vacuum hoses, and air went system. 3- Checking battery connections and output voltage 4- Cleaning and resetting the Fuse box (Pulling Off the Fuse and put it back) 5- Try tightening your gas cap properly 6- Changing spark plugs 7- Check level of oil and coolant 8- Use OBD Scanner (Read a fault code and solve a problem) It is generally performed by a mechanic or expert. To know more about the reasons and prevention of engine check light you can visit our website technooverhaul.com, where we have given the detailed explanation of each factors mentioned above.

( https://www.technooverhaul.com/automotive-engine-check-light/ )

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