99 7.3l no start good icp

[madmax04]

ok i have a 99 7.3l in the shop and it wont start it has good icp it passes the flowing test injector buzz test, contribution test, and glow plug test if u shoot it with starting fluid it will start and stay running then u can turn it off and it will restart and it doesn't have to be warm but it is in a heated shop when cranking their is white smoke coming from the exhaust and a lot but it is fuel not coolant help plez