How do I troubleshoot a faulty engine in my Vauxhall Vivaro?

I recently encountered a problem with my Vauxhall Vivaro's engine and I'm not sure how to identify the issue. Can you provide some guidance on how to troubleshoot and fix a faulty engine?

Firstly, make sure to check the engine oil level and look for any leaks. If the oil level is low or there are signs of leakage, add more oil and check for any improvement in engine performance. If the issue persists, it could be a problem with the fuel system. Check the fuel filters and injectors for any clogs and clean or replace them if necessary.

Another potential cause could be a faulty ignition or spark plugs. Check the spark plugs for any wear or damage and replace them if needed. Also, check the battery connections and make sure they are clean and secure. If the problem still persists, it could be a more serious issue with the engine's internal components.

If you're not comfortable troubleshooting on your own, it's best to take your Vauxhall Vivaro to a certified mechanic for a diagnostic and repair. They have the tools and expertise to properly diagnose and fix any engine issues.