Can you give more information? Is it when you start the Onan or all the time? Is it oily or carbon? What model Onan and boat is this on? How you done anything to troubleshoot and if so what were your findings?
With best regards,
Sailing Vessel - Cream Puff - SM2K - #275
Currently cruising - Vista Mar, Panama
main@AmelYachtOwners.groups.io [mailto:main@AmelYachtOwners.groups.io] On
Behalf Of Jose Alegria
Dear AMEL Group / Owners