What are the common issues with the Ford Mondeo engine?

I noticed that my Ford Mondeo's engine has been running rough lately. What are the common issues that cause this problem and how can I fix it?

It is possible that your fuel filter is clogged, causing your engine to run rough. Try changing the fuel filter to see if that helps.

Another common issue is a dirty air filter. Check your air filter and clean or replace it if necessary.

If neither of those solutions work, it could be a problem with your spark plugs. Have them checked and replaced if needed.