Using Techron Complete Fuel System Cleaner or Gumout Regane Total Fuel System Cleaner AS DIRECTED (do NOT over do it) cannot hurt anything and it will clean up deposits. They may be very minor deposits but using either of those two products will keep those minor deposits from becoming more pronounced in the long run.
Make sure you use the high PEA concentrated products (30-50% PEA) and not the weaker products that have a similar name.
Make sure you use the high PEA concentrated products (30-50% PEA) and not the weaker products that have a similar name.