What would make a CHECK ENGINE light come on?

When the CHECK ENGINE light on the dashboard comes on while driving, this implies an emission control system fault. Safely drive the vehicle to the auto repair shop to be checked/repaired otherwise this cloud cause major damage to the car engine.

In a situation when the CHECK ENGINE light comes on steadily or blinks while the engine is operating, it may indicate a fault or potential problem somewhere in the emission control system.

Meaning when a CHECK ENGINE light comes on steadily

An emission control system malfunction is most likely the culprit when the CHECK ENGINE light comes on steadily or light does not go off after the engine starts. Drive the vehicle to the nearest auto repair shop for a computer diagnosis to confirm the problem in the engine.

Car owners also reported the light is most likely to come on when the fuel filler cap is not tight enough. If the CHECK ENGINE light comes on after recent refueling, make sure the fuel filler cap is not loose or missing fuel filler cap, if so, remove the cap and retighten it until it clicks. Also, note the CHECK ENGINE light will not go off immediately but rather it may take you several driving trips for the light to go off.

Meaning when the light is blinking

When the light brinks while driving, this implies an engine misfire condition with high chances of damaging the emission control system.

As a motorist should you experience CHECK ENGINE light blinking, as a measure to further prevent serious damage to the emission control system, perform the following

  • Reduce car speed.
  • Avoid hard acceleration.
  • Avoid steep uphill grades.
  • Reduce the amount of cargo, as much as possible.
  • Stop towing a trailer if you can avoid

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