Why Does My Check Engine Light Come On When I Get Gas

Your check engine light blinks or glows depending on what s wrong with your vehicle.

Why does my check engine light come on when i get gas. If your car isn t feeling jerky or strange when the check engine light comes on the first thing you should check is the gas cap. If your indicator light is caused by bad gas it will shut itself back off after you run a tank or two of good gas through the car. It notably prevents gasoline fumes from leaving. Why check engine light due to gas cap happens.

Your check engine light may be indicating a simple problem that s easy to fix such as a loose gas cap that needs to be replaced. The fuel tank contains fuel which is the material needed for the combustion process. The light could be a minor issue such as a faulty gas cap. Check engine light comes on an illuminated check engine light is another symptom of a potential issue with the vehicle s gas cap.

Hopefully knowing the common causes of a check engine light has made you feel relieved. Or maybe just didn t tighten it down enough. It could also be a warning of a serious problem that could damage your engine components. Frequently a loose gas cap or not vented gas cap or fuel cap causes a check engine light come on.

Sometimes a tank of bad gas can cause a check engine light to come on. When your car s check engine light illuminates your dashboard it s usually accompanied by a sinking feeling in the pit of your stomach. Among the many reasons that your car s check engine light turns on are. A loose fuel cap is one of the most common reasons why the check engine light turns on.

The cap is a crucial part of a car s fuel delivery system. Pull over tighten it and take a look at the cap to see if it has. Next time your check engine light comes on pull the car over to the shoulder as soon as it is safe to do so. If you notice it when you re feeling up there s something to do with the fuel cap that s not proper.

The job of the gas cap is to make sure of that. It s either not seating properly or the ceiling it is bad or it needs to be replaced. Loose gas cap cracked or otherwise faulty gas cap worn spark plug or wire faulty oxygen sensor catalytic converter trouble faulty mass airflow sensor.