Posted by EricksonFarms on March 06, 2019 at 16:17:09 from (199.19.177.228):
I have a yellow 1370 case, 504 motor, seems to be lacking power a bit. I've cleaned the bowl out several times because of sludge build up and just switched both fuel filters. Blew the outer air filter out the best I could the inner one looked pretty clean. It black smokes when throttling up and under load but doesn't at an idle. I cracked each injection line coming out of the pump because I thought it was missing but each one seemed to be firing as I heard each one miss when I seen diesel leak out instead of going to the injector. I did flutter when it was running about 1500rpm but doesn't do it anymore which is leaning me towards injection pump issues. It does have a crack in the exhausted manifold but I'm not thinking that's 100% the issue. We have several 504 motors in 13 24 and 2670s and I know ALOT about them just not ALOT about the injection pump on them. Any advise of something I could look at or check would be appreciated thanks!
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