What Can Cause Check Engine Light To Come On

In general five common malfunctions can cause the check engine light to come on and some of them are simple to fix yourself.

What can cause check engine light to come on.

But some reasons the check engine light comes on are much more common. There are a number of cars that are very sensitive to misfires. When the light glows it doesn t always foreshadow an expensive repair sometimes the issue can be fixed with just the turn of a wrist. With your engine off check your spark plug wires for tiny cracks or holes especially around the ends of the wires.

Bad or low octane fuel. In fact according to many professional mechanics a warning light can be caused by a minor electrical glitch. Then when you least expect it it ll go off in the middle of the night because a leaf from. It can drain the battery trigger the check engine light or even prevent the vehicle from starting.

While it s often assumed that the check engine light cel is an indication of a major mechanical issue this isn t always the case. It s the gas cap that keeps fumes from leaving the fuel tank and keeps the whole system under correct pressure. Top 10 reasons why your check engine light turns on many people probably just ignore the check engine light when it comes on but it can be triggered by a number of issues. Why the check engine light is scary but often neglected.

It will let pollutants find their way to your fuel chamber clogging the filter. A malfunctioning sensor low tire pressure low transmission fluid and so much more will cause the light to come on. If the check engine light is illuminated you can keep driving but you should get the car checked out as soon as you get a chance. You know there s something wrong with your vehicle but you don t know what and that results in anxiety of uncertainty.

The check engine light is intimidating when it first comes on especially if you re unfamiliar with the mechanics of your vehicle. But why would this cause the check engine light to come on. Let s take a look at the most common issues. These cars will display a.

Here is a list of the top 10 reasons why your check engine light turns on. Once again this can cause the check engine light to come on. A flashing check engine light means that you need to pull over immediately as your vehicle has a serious issue that could cause severe engine damage. If the car has run for a considerably long time say 50 000 miles with the same gas cap it s safe to say that the reason is your gas cap is old weary and exhausted.