I thought I purchased bad fuel, seemed to be collceting water but sensor never came on, truck would practically shut down, drain water and start back up and run fine, changed filters, dropped tank off and cleaned it. Still doesn't seem to have the power it did.

Perform basic diesel engine troubleshooting tests in the link below:

https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-hondas-selected-other-vehicles-46563-8.html#post1415281