Learn what that pesky dashboard light means before heading to the shop, and maybe save some cash in the process.

We can read both OBDI and OBDII codes using a scan tool. The need for a diagnostic scan tool can make interpreting a check engine light difficult. If you don't have access to one of these devices ...

However, that doesn't mean you can't clear or identify your check engine light codes without a scan tool — it's just going to be significantly more challenging. If you only want to clear the ...