Fuel pressure regulator issue?

[Canabiz]

2006 Duramax after running truck on hwy for hour or two Between 80 and 90 hitting rev limiter a could of times truck Goes into limp mode I stop every sets itself keep driving 70mph to 75 the rest of the way and Dummy light turns off The check engine light said pressure fuel pressure valve

 

[2004LB7]

did you try changing the fuel filter yet?

 

[Canabiz]

did you try changing the fuel filter yet?

Every oil change I change the fuel filter

 

[TheBac]

Separated your posts into their own thread so others would potentially see it.

 

[05LLYDMAX]

2006 Duramax after running truck on hwy for hour or two Between 80 and 90 hitting rev limiter a could of times truck Goes into limp mode I stop every sets itself keep driving 70mph to 75 the rest of the way and Dummy light turns off The check engine light said pressure fuel pressure valve

What exactly wasa the code it set?