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.
4420 injector timing- how to
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We have a 4420 that was smoking like that then we replaced the fuel filter and it cleared up.
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