It's a little light that can cause plenty of confusion.

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You're driving along, on your way to work or an appointment and your check engine light pops on. Should you pull to the side of the road? Can it wait until the weekend?

Your reaction need not be immediate, but you shouldn't put it off too long, according to Consumer Reports. "Ignore that warning and you could end up damaging expensive components," the Consumer Reports article states. "It can also be a sign that your car is getting poor fuel economy and emitting higher levels of pollutants.

In addition to triggering the check engine light, your vehicle's computer stores a "trouble code" with more specifics on the issue. Just stop by any O'Reilly Auto Parts store, and one of their Professional Parts People will scan your vehicle for free. They'll retrieve the codes, discuss possible solutions, and even help you find a professional technician if needed.

It's part of O'Reilly Auto Parts' commitment to top-of-the-line customer service. At O’Reilly Auto Parts, you’ll not only get better parts at better prices, you’ll also get friendly and knowledgeable parts professionals. From replacement parts to tools and accessories, O’Reilly will help you get the parts you need and the great service you deserve.

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