Why does My 1997 f-350 diesel blows a lot of smoke when you let off the peddle in motion with little power and shuts off now going up down hill after even replacing the fuel filter?

Answer 1

you need to replace the cam position sensor this is easy job sensor will cost about 150 dollars, sensor is located on front of block above pulley wheel.u need to lie underneath vehicle to get at it remove wire plug in. remove securing blot. remove sensor. insert new sensor, replace bolt, replace electric plug. job is done , Sounds like the injector pump or injectors are giving you trouble.