Mechanical hinos won't regen

Jean

Active Expediter
Owner/Operator
Afternoon everyone hope someone can help me out I am located in Texas and have a few 2011 and 2012 258lp hinos, I did not run my trucks through any water but feel like I might of gotten some bad gas in my trucks, I can not get them to regen I have changed the filters drained the tanks and they sound like the regen is trying to run but will not complete I have had these trucks running for hours...please help
 
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