The warning light can return even after an expensive repair. Here’s what your car may be trying to tell you.
The average cost to address a check engine light climbed to a record $554 in 2025, up 33% from the year before, according to CarMD’s 2026 Vehicle Health Index. The report, released in April 2026 and ...
U.S. drivers are facing record-high check engine repair costs driven largely by aging vehicles. The most common repair — replacing a catalytic converter — can cost more than $1,300. Average vehicle ...