Originally Posted by Mollulnan
Possibly, but not definitely.
Andys’ concern was about sludge in the engine if you analyse the oil you will see what is causing the oil to ‘sludge’ and then you can look for the corresponding fault.
Oil analyse will show up a multitude of problems and is a quick way to zeroing in on a potential fault. Equally by a process of elimination you can concentrate on the faults not shown up by oil analyses.
These days’ vehicle fleet managers are using oil analyses as a management tool disposing of vehicles early (or late) based on the results.