CarMD has determined that according to it’s data, cars made in 2005 have one of the highest likelihoods that their check engine light is on, while cars made in 2015 and 2016 was much less likely. The most common problems tend to be faulty oxygen sensors. The average cost to repair check engine light problems has also been going up over the years, but the cost varies depending on the vehicle’s region.
- CarMD found that model year 2005 vehicles were most likely to have a check engine light on.
- The most common problems found to trigger the check engine light were a faulty oxygen sensor, catalytic converter, ignition coil and spark plug issue.
- The most common causes of a check engine problem on a 2005 vehicle were faulty ignition coils and spark plugs, accounting for 7% of repairs with an average $410 repair cost.
“CarMD found that model year 2005 vehicles were most likely to have a check engine light on, while newer model 2015 and 2016 cars and trucks each accounted for less than 1 percent of reported check engine incidents.”