check engine light causes


In general, five common malfunctions can cause the check engine light to come on, and some of them are simple to fix yourself. When your car's check engine light illuminates your dashboard, it's usually accompanied by a sinking feeling in the pit of your stomach. Check engine light flashing car shaking is a clear sign of trouble. Let’s take a look at the most common issues.

Whatever the cause, failure to get your Chevy vehicle checked out when the check engine light goes on could lead to further damage meaning costlier and more invasive repairs. Pay attention to the dashboard after the check engine light experience. I drove my car to georgia and the same thing happened while i was on the road and had to have it fixed there. The check engine light comes on when the engine computer detects a malfunction and sets a trouble code. If you find that the light keeps coming on, and goes off again once you tighten the gas cap, then your gas cap is too loose. Welcome to the GMC Check Engine Light codes page. In Conclusion. A check engine light or malfunction indicator lamp (MIL), is a tell-tale that a computerized engine-management system uses to indicate a malfunction. The check engine light will usually come up in an orange, yellow or amber colour depending on the manufacturer, and a flashing light usually means there is a more serious issue. When the service engine light flashing is continuous, then you have a serious problem that can lead to grave damages if the problem is not addressed. The check engine light comes on and the car makes noise and driving is not smooth. Below is a list of the top 10 reasons why your Chevy check engine light may come on. When the engine light is lit up, and the engine control unit recognizes a problem with the engine, the engine control unit will store a trouble code in the memory. A “check engine” light does not always mean that it is necessary to call a … Whatever the cause, failure to get your Chevy vehicle checked out when the check engine light goes on could lead to further damage meaning costlier and more invasive repairs. Check engine light flashing car shaking is a clear sign of trouble. The first thing you should do if the check engine light is flashing or is constant on your dashboard is to read the trouble code memory. Below is a list of the top 10 reasons why your Chevy check engine light may come on. Below you will find the most complete list of GMC trouble codes available. Hyundai check engine light can be triggered for several reasons which we discuss in this guide. Hyundai has become one of the most reliable car manufacturers out there. The fact of the matter is however that even Hyundai cars can turn on the Check Engine Light (CEL) if there is an engine or emissions-related problem. Check Engine Light Flashing and Car Shaking. Check Engine Light Flashing and Car Shaking. The check engine light should go off after you drive for several minutes if the light was caused by a loose gas cap. If you find your cap isn't screwed all the way on, tighten it completely. You need to have the system checked for codes with a scan tool to know possible causes. Failed oxygen sensor. Your engine light should go off in a day or two if this was the only reason for the indicator.
These are also the symptoms for a number of other failures that can cause the “check engine” light to activate, complicating the diagnosis, so it’s best to consult a professional. The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there? They did a diagnostic and said it was a spark plug miss firing. If your check engine light turns on immediately after a fill-up, pull over and make sure the cap isn’t loose — or still on your car’s roof.
All that you need to check your own light is an OBD-II reader, which can pull codes that help you find out what's wrong with your car.If you don't have a code reader, keep reading to learn the most common causes, and then bring your car to your local AutoZone to find out why your Check Engine Light … You can. In most cases, a misfire can cause the light to flash continuously. The engine light can be triggered by a number of issues of varying degrees of severity. When i continued to drive it to the dealer the vsa, and the wrench came on. In most cases, a misfire can cause the light to flash continuously.

A flash when starting the car isn’t an issue, it’s just a check by the ECU to make sure the system is working.