How do you clean the combustion chamber in diesel engine?

To clean the combustion chamber in a diesel engine, you can use a combination of chemical cleaners and mechanical methods. First, introduce a commercial diesel fuel injector cleaner into the fuel system, allowing it to dissolve carbon deposits during operation. For heavier deposits, you may need to remove the cylinder head and manually scrape or use a blasting media to clean the chamber surfaces. Always ensure to follow manufacturer guidelines and safety precautions when performing such maintenance.