Turbox2

P0341

We'll have done that all checks ok. Changed crank sensor agian today same problem

i have changed both and camsensor twice

Have 99 that when you start it runs real rough for about 5-10 seconds then tach quits cel comes on and it smooths out but not drivable no power. This all started with no start condition Ecm was not turning on fuel pump.Replaced Ecm truck started but gave code for bad cam sensor so I replaced it and it still gives that code and same problem. All sensors have 5 volts all grounds are good put in new crank sensor. I have now replaced the ecm again and the cam sensor with still the same problem. The crank sensor showed no damage this is driving me nuts