The Mystery, Crime, and Thriller Group discussion

Hello all! I am struggling to find a book that isn't a romance that features a character who is a mechanic. I love thrillers, crime fiction and mysteries, so I am hoping someone here has a suggestion.

Check out my Illegal Maneuvers. My MC isn't a mechanic but he owns a high-end car restoration business that leads him into solving the crash that put a lawyer in a coma that eventually lead to his death.