Ford Powerstroke Diesel Forum banner

low fuel pressure

  1. 6.7 Problems Forum (2017-2019)
    Bought my truck 4 months ago and have loved it, just over 4000mi so far. 3 weeks ago I took a little 3 day trip and when I started truck to leave home a "fuel pressure low press OK" message popped up on the display, so I pushed the OK button. It drove fine for around 300mi the next 3-4...
  2. 6.0 Motor problems
    I have an 03 6.0 and was getting 50psi at idle, ~42psi WOT. So I put in the blue sring upgrade. At first it gave me 58-59 at idle and 50 WOT. Its been a few days now and and Idle psi has settled at 55. At seemingly random times, driving or idle, fuel pressure will drop sharply as low as 39psi...
Top