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

To see if you have a leak, you can take your car to the auto shop for a pressure diagnostic and leak evaluation, costing around $80 – $150. It’s wise to have professionals refill the system ...

OBD stands for "on-board diagnostics." The scanner connects to your car's computer system and can read its internal codes to diagnose mechanical and electronic ills. That check-engine light could ...