Low fuel rail pressure

[scott441974]

(02-13-2023 )Bengy88 Wrote:  Which engine we working with here? It could be anything from a cracked pickup tube to an injector. If it’s a 2250, 2350, or x15 has the fuel pump head been pulled and the rollers checked if it’s over 450k miles?

I'm sorry, Its an X15. I had peterbilt send their mobile mechanic down to check it after I read about the roller issues. But he never pulled the head off and checked them. I'm guessing that's the 1st thing I need to do.