CarMD’s latest study looks at the most common check-engine light repairs and their average costs over the previous calendar year, then ranks the results.

The most frequent “check engine light” fix noted in a recent report is to replace the catalytic converter, which costs an average $1,313. It should come as no surprise to anyone who’s been ...

Whatever the cause, you'll want to fix the problem as soon as possible — not just to eliminate the P0303 Engine Code and your Check Engine Light, but for your own safety and to prevent further ...

The following is a breakdown of the 10 most common check engine light-related repairs in 2024 and the average cost (including parts and labor) to make that repair: ...