Your 1993 Mazda mx6 v6 will not shift into 3rd gear. it is an automatic and has a lot of miles but is the only way to know what is wrong with my car is to take it to an transmission shop?

While taking your Mazda MX-6 to a transmission shop is a reliable way to diagnose the issue, there are a few preliminary steps you can take first. Check the Transmission Fluid level and condition; low or dirty fluid can affect shifting. Additionally, inspect for any transmission error codes using an OBD-II scanner, which can provide insight into potential issues. If these checks don’t reveal the problem, consulting a professional may be necessary for a comprehensive diagnosis.