The most common VW Golf issues are engine misfiring and rattling, suspension issues, transmission issues, issues with the turbocharger, and various issues associated with oil leaks. None of these should discourage you from considering the Golf as your next purchase as it is a really great package.
Here are some common engine issues and their solutions: Check Engine Light: If the check engine light is illuminated, it could indicate various problems such as a faulty oxygen sensor or a loose gas cap. It's important to diagnose the exact issue using a diagnostic tool.
Volkswagen Golf Common Problems and Solutions. If you have a Volkswagen Golf and have experienced rattling sounds when you start the engine then stops after driving a short distance only to have the rattling return, it's caused by the camshaft-driven high-pressure fuel pump. All vehicles have their own idiosyncrasies and problems.
oZ6S.