Check Emissions System Light on 2012 Honda Civic 1.8L

Asked by Jul 18, 2019 at 09:26 PM about the 2012 Honda Civic LX

Question type: Maintenance & Repair

A few days ago a light appeared on my dashboard.
“Check Emissions system”. I went to autozone to
have the codes read and the tech said that I need
to replace the thermostat. My father said that I
should first replace the coolant temperature sensor
as they can cause a bad thermostat code to
appear. My car has not been overheating at all.
Please help.

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