Hey HONDA2010
There are eight spark plugs, two for each cylinder. The plugs will come pre-gapped, make sure you use Honda plugs, I think you can get on Amazom - link below for about 10.00 each.
https://www.amazon.com/gp/product/B002FOF1QW/ref=as_li_qf_sp_asin_il_tl?ie=UTF8&tag=2carprcom-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B002FOF1QW&linkId=2f0ee4f647b52fdc34994f1d98183ed8
2010 Honda Insight Spark Plug, Denso FK20HR11
You must first remove the spark plug cover, and then each ignition coil, its not to bad of a job and you can get it done in about 60 minutes.
Here is a guide to check out
https://www.2carpros.com/articles/how-to-change-spark-plugs
Below are some diagrams on how to get the job on your car.
Please let me know if you need anything else to get the problem fixed, we are help to help.
Best, Ken
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Monday, June 19th, 2017 AT 3:07 PM