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Yep, Tried switching the batteries (Seems like the "upper" battery matters more for the IP). And just wiring the terminal directly to the solenoid. Showed 9V+ during cranking. Put a piece of paper under the outlet of the IP into the injector lines, not a drip. Possibly the pump is bad.... or...

Thanks, the IP was replaced in February. This is a problem that arose because of a short of the 24V terminal to ground while driving. Other than a sort of "top gear" stall nothing funny happened except the vehicle cranked without starting. If there is some reason to think the pump might have...

Fuel supply line to IP has pressure No fuel in injector lines (verified by disconnecting one of the injector lines from the IP under the air intake manifold) Shutoff solenoid 11.3V 8.5V during cranking Battery 1 12.35V 12.35 during cranking (I had a little Lithium jump starter on it that...

Thanks all, As of right now I am still just trying to get fuel out of the injectors. The consensus seemed to be replace the fuel shutoff solenoid, so I did that. Still no fuel out of the injectors, killed the batteries after 5 or 6 cranks. (Oddly after they still both showed 12+V but the...

Thanks! Did yours fail in a similar way where you had a short or what caused it? Ned

Thanks Skinny and @eric67camino Yes I agree. Fuel comes out of the rubber fuel supply line on the right hand side of the fuel filter that goes under the air intake to the IP. The pink wire that connects to the shutoff solenoid has 12.6V.

Hi all, I was driving on the highway and the truck stalled. I coasted to a stop and checked under the hood. It seems I did not tighten down the battery while working on it recently and the 24V battery post touched the frame. Tightened that back up but the truck would not start. (Turns over...

Thanks!

By the way, Should I add something with the diesel? Someone mentioned this is caused by modern diesel not having the same composition as it did in the 80's. I added a little bottle of yellow liquid carb/injector cleaner. Is this what I should be adding every time? Thanks

Thanks, runs well... The pump was most likely having issues long before it died. The shifting is smoother, and fuel efficiency increased.

Thanks, I got the dowel pin in the correct hole and all the bolts installed. Everything is put back together. How do I bleed the injectors? Up to this point to prime I just crack the bleed screw on the fuel filter and crank with the pink wire off the IP and gas cap off until diesel runs out...

Thanks cucvrus and mad texan. I did not realize you can pull that round gasket that the oil fill tube goes into so I couldnt see into the hole at all and I stuck the dowel pin on the IP into one of the bolt holes. Hence things not lining up. So I have to do it all again. (I'm back and forth...

Hi, I removed and replaced the pump all injectors and external connections are back as is the air intake. The last thing is those three bolts... can't figure that out. Any help? I rotate the engine till i can stick an allen key down a hole, all I get is a very rough cross-thread on my bolt, and...

Does anybody know how to get the vent tube off on the fill hole side? When I look at it from below I can't see any clamp on the hose. Best, Ned

Thanks! Yesterday I took down the fuel tank. The "sock" inside the tank looked just fine. Today I am hoping to get it back up and by tomorrow have all the fuel lines replaced and primed. When the pump comes (probably this Friday?) the IP swap will be the order of the day. I bought a reman IP...

Thanks, are all these fuel lines 5/16"? Secure with a tiny hose clamp? Looks like you got the box off. Did you do that for the tank job? By the way-- took a look at the gram, hoping to get mine looking and functioning something like that someday!

I will check the timing mark how do I identify it and where on the engine is it? Thanks, Ned

Hi Keith, This truck has 31,000 miles. I don't hear any metal on metal though the belts do fly around like mad and the engine shakes something terrible. Not noticeable in terms of driving performance just loud. I think you are advising another diagnostic that should be done before the IP swap...

I will look at the check valve tomorrow. Is the IP replacement in any of the TM's? The filling up issue is a clogged vent tube. I am removing the tank and will confirm. (If the fuel system is primed the engine would run normally even with both fill and vent tube stopped up)

Thank you that is what I figured...