Ford Powerstroke Diesel Forum banner
insufficient flow
1-1 of 1 Results
  1. 6.4L Performance Parts Discussion
    got my tuner and s&b and straight pipe today and within 2 hours \the engine light came on and my dash daq said "P0401 EGR flow insufficient detected" and "P1000, OBD systems readiness test not complete" what did i do? whats that mean? what should i do?? thanks for the help
1-1 of 1 Results