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Hey guys, so my check engine light came on randomly while I was driving on the highway, there was nothing I can say was happening when it went off. I was not speeding, didn't go over any major pothole, nothing? Any ideas what it could be? I recently had a lot of suspension and break work done, pads, rotors and even back calipers. Any input would be greatly appreciated. Thanks in advance!
2010 Mazda 3 2.5L
 

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More information needed. The light could be triggered by any of a thousand things from minor to catastrophic. If the light is on you will need to hook it to an OBD reader to see what diagnostic codes are stored.
 

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2018 Mazda 3 GT
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Yes, get that code read fast. It could be nothing or something pretty serious... No way to know without checking it.

Any Mazda dealership will typically plug an OBD-II reader in for free. Some auto stores, like AutoZone, will also read it for you for free.
CK
 
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