2250 low rail pressure code

[loghauler]

(08-10-2017 )Rawze Wrote:  

(08-10-2017 )loghauler Wrote:  Well almost a month later, the code came back today. It seems unlikely to me that the relief valve could be bad again? Going to check it out tomorrow. Any ideas?

Have you pulled the head off the pump an inspected the plungers and rollers in the bottom of it?

They checked it last time while it was in the shop. I will check it again myself though. Could particles from the plungers/tappets/can be getting into relief valve causing this? It did have the claim done on plungers and tappets 150k ago but this obviously doesn't mean it's "fixed" from what I read in the link you posted last time.