How can I troubleshoot engine starting issues in my Audi A1?

I have been having trouble starting my Audi A1's engine lately. It cranks but won't fully start. I have checked the battery and connections, but everything seems fine. What else can I check for possible causes of this issue?

First, make sure your fuel tank has enough gas. If it does, check the fuel pump and its connections to see if it is functioning properly. You may also want to inspect the ignition system for any faulty components.