CarMD Publishes Vehicle Health Index of CEL Trends
Catalytic converter replacements on model year 2005-2008 vehicles top the list of most needed repairs.

CarMD Releases 2021 Vehicle Health Index
CarMD finds vehicle owners in California paid most, while Ohio paid least for Check Engine light-related car repairs in 2020.

CarMD 2019 Vehicle Health Index Finds Kia Most Affordable, Mercedes Most Reliable
According to the Index, the 2017 Subaru Outback costs least to fix, and the 2017 Honda CR-V is least likely to need check engine repairs.
