2015 Civic SI Spark Plug and O2 Sensor Change
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- Опубліковано 16 вер 2024
- DIY Spark plug and O2 Sensor change for my 2015 Civic SI Sedan.
I'm sure this will work for all the 9th Gen 12-15 Civic SI, regular Civic Models may vary.
-Just his 100k miles so wanted to change spark plugs
-Highway MPG dropped from 30-32 down to 24-25 MPG and a lot of stuff I've seen online said might be due to bad O2 Sensor so I decided to change it
-Months later, still getting 24-25 MPG so still trying to diagnose what's wrong, recently cleaned MAF sensor so well see if it goes back up to +30 MPG