When the check engine light comes on in a vehicle, it’s indicating that there is some issue with the car that should be checked out. It could be something minor, such as the gas cap not being screwed ...
Why it matters: Ignoring a check engine light can turn minor issues into costly repairs. Early, accurate diagnosis prevents damage and downtime. Tools you need: An OBD-II scanner, access to repair ...
The owner of this 2020 Audi S6 took his car to a dealership, but the technicians failed to figure out what was really wrong ...