What Can Cause Check Engine Light To Come On

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.

What can cause check engine light to come on.

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. These cars will display a. In fact according to many professional mechanics a warning light can be caused by a minor electrical glitch. Here is a list of the top 10 reasons why your check engine light turns on.

The check engine light is intimidating when it first comes on especially if you re unfamiliar with the mechanics of your vehicle. 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. Once again this can cause the check engine light to come on. Let s take a look at the most common issues.

With your engine off check your spark plug wires for tiny cracks or holes especially around the ends of the wires. So this small and inexpensive plastic part is actually a crucial part of your car s fuel delivery system. It s the gas cap that keeps fumes from leaving the fuel tank and keeps the whole system under correct pressure. You know there s something wrong with your vehicle but you don t know what and that results in anxiety of uncertainty.

A malfunctioning sensor low tire pressure low transmission fluid and so much more will cause the 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. But why would this cause the check engine light to come on. But some reasons the check engine light comes on are much more common.

If they look shabby you should replace them. Then when you least expect it it ll go off in the middle of the night because a leaf from. That being said there can be several reasons behind check engine light due to the gas cap failure. Why the check engine light is scary but often neglected.

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. 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. In general five common malfunctions can cause the check engine light to come on and some of them are simple to fix yourself. It can drain the battery trigger the check engine light or even prevent the vehicle from starting.