2001 Chevrolet Silverado 2500HD "p0093 code duramax" Questions

2001 duramax diesel engine light came on reads code p0093 Lots of good reading here: http://www.gm-diesel.com/vbull/duramax-diesels/22659-diagnostic-code-p0093-need-help.html

...code P0093.....Can anyone tell us what to do to fix it? Only happens while pulling Trailer.....that is loaded or unloaded. Very odd. A Google search comes back with lots of "Duramax" hits . The code ...

...P0093 could also refer to the possibility you filled the truck up with fuel when it was running setting that code. The code for fuel pressure is derived at the rail delivery on a Duramax, again check ...

...code P0093, no fuel leak, filter changed twice, no particle filter -option on my 2001 gmc sierra duramax diesel. goes into limp mode under regular use and especially when towing 28 ft 5th wheel. have ...