Now I've never used any diesel or injector cleaner ever in the 98K KM on the odo. I have read articles to use special diesel cleaners for amsoil/others or straight up ATF. I don't need a dead fuel pump, since it's a pain to get a new one and then get it mated using a star computer, 3 days wasted.
Assuming so but I read something about this engine having an affiliation with GM so just maybe the parts would be cheaper??
The truck that has this engine is an old USPS truck: