2008 gmc 6.6 died, no start

[keonj]

I have a 08 6.6 duramax I was towing a trailer. The other day my truck just died on me no power getting fuel to the pressure valve it crank over but won't start any suggestions on where I should start

 

[08lmm72mm]

Any codes?

 

[keonj]

Glow plug # 8 im getting alot of emissions codes because it is deleted

 

[keonj]

I also have a fass fuel system on it

 

[keonj]

this is the codes

 

[2004LB7]

I also have a fass fuel system on it

is it running?