How can I improve my Ford Galaxy's engine performance?

I have a Ford Galaxy and I've noticed that the engine power has been decreasing lately. What could be causing this and how can I fix it?

First, check the air filter and replace it if it's clogged. This is a common cause of decreased engine performance. Also, make sure you're using the proper type and grade of oil for your engine. If the problem persists, it might be worth having a mechanic take a look at your engine's compression.

Have you checked the spark plugs? Worn or fouled spark plugs can greatly impact engine performance. Also, make sure your fuel injectors are clean and functioning properly. These are just a few possible issues, it's always best to have a mechanic diagnose the issue if it persists.

I had a similar issue with my Ford Galaxy and it turned out to be a problem with the fuel pressure regulator. It's a relatively easy fix, but worth having it looked at by a professional.