Reviews, comparisons and buying advice for OBD2 Code Readers — the important features, the differences that matter, and how to get the best value. Part of our Automotive Diagnostic Tools guides on WinchInsider.
The cheapest way to waste money on engine diagnostics is to buy a reader that shows a code and stops there, then pay a shop to explain what the code means, whether the car is ready for inspection, and what the sensor was doing when the fault happened. At this ceiling the question is not
The cheapest way to waste money on wireless diagnostics is to buy an adapter that will not pair with the phone already in the pocket, then pay a shop to read a code the adapter could have read. At this ceiling the question is not whether an adapter is wireless, but whether it works with