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I can relate to 6.5 problems, boidiesel or not, I have had nothing but trouble with mine. It sounds like it is not a fuel problem if one car is running and the other isn't. Everything on that engine seems to be two things. the oil pressure sensor, and the ecm-b fuse under the hood. if either one of those is bad, you won't get fuel for more than a few seconds. Now, this is going to sound stupid, but you may also have a ground problem. Before I did anything else to this engine, like replacing stuff. I would take every ground apart I could find and clean it till it shines, and put it back together. I'm talking not just battery terminals, but battery to frame, battery to engine, frame to cab. a bad ground will cause it to act like a lot of other things. bad pump driver, bad lift pump, bad oil sensor, or bad ecm. The 6.5 is a great engine, however, the electrical system is the worst of any car I have ever been around. another thing you can try, is to put the lift pump on a switch. mine is wired up on a switch and a relay, so you can turn on the lift pump manually for priming filters during filter changes. If you still don't get fuel with the lift pump running, you either have a dead pump that still makes noise, or you have a plugged up pickup screen in the tank. best you can do in that case, is blow backward with air. what kind of racor filter do you have? my ventrac comes stock with r-12 filters, and they do not like biodiesl. something in the bio doesn't like the waterblock coating on the filter paper, and they will plug up in a few hours. (it's not water, we don't water wash.) I took off those filters, and put on a bobcat filterhead. Problem solved. hope this stuff helps, my car has been towed 6 times in the last 18 months, if I hit 7, I'm putting in a 4bt cummins, no more wiring! powering 2 bobcats, an excavator, and a ventrac mower. looking for a diesel weedeater! | |||
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Just because you hear the lift pump running does not mean its working.See if you have any fuel coming from the t valve up front,if there is none then you have a lift pump that is not working.Should pump even when the engine is not running. | |||
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