Is changing fuel pump on 2.8 diesel shogun an easy diy job?

if your talking about injector pump its not a job for a novice.|||not too sure bout a shogun.


but all the diesel i know runs on the timing belt and to get to that you need to re time the engine, not an easy job, lots of work.|||Is that the injection pump or the lift pump|||not a job for a diy person have it done by a qualified mechanic