[david pa.]

New member here. I have this 4420 and it smokes blueish white smoke. I would like to try and adjust the timing before going deeper into the motor. I have no instructions on how to do this on the 4420. I do have a service manual for a 3300 diesel as a some what guide. The injectors have been replace and that helped just a bit. Thanks.

 

[teletech]

We have a 4420 that was smoking like that then we replaced the fuel filter and it cleared up.