Ems check emissions systems came with on when I turned car on

2013 HONDA CIVIC
58,000 MILES • 4 CYL • 2WD • AUTOMATIC
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MARTHA MAHONEY SALVAGGIO
  • MEMBER
  • 1 POST
I drove the car home and car is driving with no problems check emissions light came on.
Jul 12, 2017 at 5:58 PM
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STEVE W.
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 15,146 POSTS
Start by having it scanned for any trouble codes. It could be just about anything from a loose gas cap (make sure to tighten it at least three clicks), bad gas cap or seal, to a failing O2 sensor. One strange but seemingly common issue (have heard it more than once from different sources but have not seen it myself) is having a spider build a nest in the EVAP vent hose!
Jul 12, 2017 at 9:18 PM
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