7.3 diesel air intrusion IDI fuel system

[George eisenhart]

Im getting air in my fuel system making it hard to start cold. 7.3 IDI diesel. whats the fix.

 

[Fellro]

Main challenge is figuring out where it is getting the air from. Often it is the return caps and hoses, kits are available for that. You can generally spot leaks on the tops of the injectors or lines if they are seeping.