![]() ![]() While this code will tell you the issue that is detected, a true diagnosis still requires an experienced professional to determine the exactly correct issue and repair it. There are again a number of relatively inexpensive code readers that are designed for do-it-yourselfers, should you prefer that route too. This code is read with an electronic scan tool that is used by our Chevrolet auto repair mechanics at Nalley Chevrolet. When the light turns on, the ECM stores an engine code or “trouble code” in its memory that can rapidly identify the issue, whether it's a sensor or a failing engine part. This amber or yellow light is ordinarily labeled “check engine” or “service engine soon”, or the light may be nothing more than a picture of an engine, or a picture of the engine with the word “check.” When your Chevrolet Sonic's ECM (electronic control module), which is the vehicle's onboard computer, finds a problem in the electronic control system that it can’t correct, a computer turns on your check engine light. Ignoring that warning could end up causing major, major damage to pricey engine components. ![]() But take a deep, serene breath and realize the light coming on doesn’t mean you have to pull the vehicle over to the side of the road and call a tow truck, but it is advised that you get your Chevrolet Sonic checked quickly. The fear of the unknown (or the cost of the unknown) can be just as stressful. If you’re like most Chevrolet owners, your heart sinks drastically because you may have exactly idea about what that light is trying to tell you or how you should react. What do you do when you’re driving along in your Chevrolet Sonic and suddenly, a yellow light illuminates on your dash and says "Check Engine". Check Engine Light Service Chevrolet Sonic ![]()
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