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What's up with the emissions issue on the 2019 Honda Civic?
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★ Top Answer
I see you have received the "Emissions System Problem" message on the display of your 2019 Honda Civic, found in the center of your speedometer. This message may not be a standard OBD-II code, but it is generally equivalent to a fuel code error known as P0651. The issue seems to arise from a software bug that is triggered when the fuel tank is not filled completely and is left only halfway filled. It is suggested that this message might disappear on its own. Some believe this is related to how the evap sensor measures gas vapors. Honda has released a software update for diagnosing trouble code P0461 related to the fuel level sensor, which could also be connected to this error message.
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The emission system in the 2019 Honda Civic may malfunction, resulting in the release of untreated exhaust gases instead of converting them into safe emissions.
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