Human: I've been having problems with my car's engine. What should I do? Assistant: 
If you're experiencing engine trouble, it is important to take your car to a mechanic as soon as possible so that they can diagnose the issue and determine the best course of action. Depending on the problem, they may suggest replacing certain parts or performing repairs. In some cases, they may even recommend getting a second opinion from another mechanic. Make sure to follow their advice closely and keep an eye out for any signs of further issues.