Cat injectors

Yes they did go thru all of the CAC and the boots. They found one small leak at the elbow where it goes into the block but not enough to cause whats going on. And the CAC is brand new. I just put it in before we took it out of the shop the first time. Fuel pump was replaced along with all the check valves too. Turbo is in good shape, No cracks or chips on the fins. Still looks brand new. They did a cylinder cut out test too and all cylinders are firing along with all the injectors are working too. Problem is when you demand power from it, Nothing. Mash the throttle down and no response. Takes forever to build up any speed and any kind of incline it just acts like im trying to drag an anchor thru the pavement

 

I was thinking the same thing. I told them to flash the ECM to 550 from 475 and turn torque to 1850 put it back together and take it for a road test and see what happens. If that doesnt fix it, I will look into changing the ECM. I really dont think its the injectors

 

It wasnt replaced but they did check it to make sure it was functioning properly and it was

 

Alright everybody... just an update. Went ahead and replaced the injectors and did a rerate on the ecm. Truck is running great now and all the power is back and then some.