The iridium tipped spark plugs in a 10th generation (2016, 2017, 2018 and 2019) Honda Civic with the Earth Dreams 2.0L I4 engine can last up to 100,000 miles, but they should be checked before that mileage. Take a look at my DIY tutorial for the procedure (with the compatible replacement part numbers) by clicking on the text link or thumbnail image below.
2016-2019 Honda Civic Spark Plugs Replacement Guide
