my neighbor has a 1550 diesel that wouldn't EVER start without ether. Recently it started acting like it was running out of fuel by chugging and loss of power. He replaced all the filters and said that instead of the old &quot;sock&quot; type filter, they gave him the new style canister filter. Now it starts without ether but only runs for a few minutes and dies. We keep bleeding air out of two screws on the first filter which helps it to run much longer, but eventually it dies. He said he's bled the injectors once. I have a Massy that has to be bled in a certain sequence and was wondering if there's a sequence to bleed an Oliver? It also sounds like there might be a sticking valve because it's not running smooth. Any advice I can give him? Thanks.