why is my check engine light on but car drives fine

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The Check Engine Light Demystified Yourmechanic Advice

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. Common Check Engine Light Explanations. The 1 most common reason why your check engine light is easy to fix. Plus it can also be the frozen electronic stability control sensor a loosened gas cap or the clogged air filter.

The most common issues that illuminate the check engine light include clogged filters faulty sensors and leaky hoses. It can be a pending code stored in the computer. If its not screwed on all the way it will trigger a check engine light.

Try tightening your gas cap before going in for service. Below are some of the more common explanations for a CEL. ESC light came on when driving - then check engine light Likley there is a misfire in one of the cylinders.

If your car seems to be running fine your best option is to take it to your mechanic as soon as you can. The check engine light is a signal of a problem lying in your engine. When the check engine light appears and stays on the warning can signal a serious problem with your cars engine.

You can base the level of severeness on how the light is illuminating. Usually due to worn out sparkplugs or wires. There are three common things for how the check engine flash illuminates.

If the light is flashing regularly or if the car has developed a problem such as bucking lack of power or overheating stop the car immediately and have it towed to your mechanics shop. It actually serves a crucial function in keeping your car running. There are a lot of issues that can trigger the check engine light to illuminate on your cars dashboard.

But the warning light can also come on due to minor issues such as a loose wire or gas cap not being fully closed. First is the continuous illumination it is not flashing when the engine light is simply on it means there is no major issue in your car and if ever you want it to. In order for your engine to operate properly there needs to be pressure within the fuel line so.

The car repair shop can then plug a scan tool into the diagnostic port under the dash and download the trouble codes giving the. Yes something as simple as a loose gas cap or broken or missing gas cap can be the cause of. The fuel cap on your car isnt just there to keep gas or fumes from escaping from your gas tank.

How is a Check Engine Light Diagnosed. Ad Used Cars for Sale Ranked by Best Deals Price. Dont ignore your vehicles check engine light and never continue driving when this light comes on if its.

Though there are plenty of feasible and specific reasons for a check engine light to come on some issues are of course more common than others. There could be many things that can cause the check engine light to come on while driving. Any electronic sensor or component on your vehicle that detects engine performance anomalies can cause the Check Engine Light to activate and a lack of communication with the sensor may also result in a trouble code.

This is one of the most common and fortunately easiest to fix reasons that your check engine light can come on. When this light comes on it is advisable that you find a safe spot to pull over and check your engine for possible faulty components. There are over 1000 reasons why the Check Engine light comes on.

Is Your Check Engine Light On What Does That Really Mean