It is best to ask a professional to see if you installed your
diesel power generator correctly. Or, you could get one of your
family members or friends to look at it while also paying attention
to the installation manual. Some common problems are dirty fuel
filters, or excessive lubrication oil. Here is a website that lists
some of these common problems and how to fix them:
http://www.facilitiesnet.com/powercommunication/article/What-are-Common-Problems-with-Diesel-Engines--10753#.
Good luck!