After using Total Combustion Cleaner July 4, 2015 Solutions Central › Category: Cleaning / Degreasing > Specialty Cleaners › After using Total Combustion Cleaner 0 Vote Up Vote Down slates89 asked 9 years ago Do I need to change my oil, filter and empty oil pan after using the Total Combustion Clean ? 1 Answers 0 Vote Up Vote Down chemtooler Staff answered 9 years ago No, as long as your piston rings are in good shape, you will not need to do an oil change. Please login or Register to submit your answer Username or Email Address Password Remember Me