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Old 12-19-2017, 08:39 AM   #41
Greg5OH

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pressurized the line before the lift pump. My rinjector return T was leaking, replaced the O rings under it, now holds 30 psi steady no external leaks. Pinched the return line doing this. so no leaks unfortunately.
That leak was just from this time though, was always dry back there, the banjo bolt probably gave up on this round of reinstalling the injectors.
Yes pre filter clean, and fuel filter is clean.

Still has the same issues.
 
Old 12-19-2017, 10:29 AM   #42
turbo2387
 
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time to pull the pump
 
Old 12-19-2017, 10:33 AM   #43
Greg5OH

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^indeed, i think it is time too bad as it runs so nice when its warm out lol.
Hopefully the good used pump clears everything up and I can sell my old one as a core and be out not much money
 
Old 12-19-2017, 10:45 AM   #44
turbo2387
 
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ide strongly recommend spending a few hundred dollars and have your spare put on a bench. its already off.
 
Old 12-19-2017, 11:07 AM   #45
56cummins

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I brought this up on page one, are your grid heaters working? when its cold out some people will cycle them twice to get a diesel to start. I watch my voltage needle and listen for the relay to click. Check your wires for corrosion.
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Old 12-19-2017, 01:07 PM   #46
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Where are you at?

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Old 12-20-2017, 08:10 PM   #47
Greg5OH

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Yes they are working. I am in michigan. Hasnt been below 28, roght now 35 and still same problem.

However i saw something interesting tonight, i pulled the OFV to replace the 2 orings under it because they looked dry rotted, woth the OFV removed i cranked the engine to see if fuel comes out and the thing started right up, with no pedal input..it always needed a tap on the pedal to start..and it flung fuel out.

Put it back in, and it started decently, with pedal, but then continued rolling blue smoke and breaki g up when you rev it..w

How come it fired up nearly instantly with the OFV removed? Maybe ill pit some rags over ot and try revving it with no OFV. Ill see if i can pick up another one just to test..
 
Old 12-20-2017, 09:10 PM   #48
Redrider2911

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Maybe the lift pump can push volume but not pressure?
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Old 12-21-2017, 09:09 AM   #49
Greg5OH

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Possibly, however when running i still have 20 psi at idle, 25 psi just off idle..
 
Old 12-21-2017, 10:30 AM   #50
BigPapa
 
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Quote:
Originally Posted by Greg5OH View Post
Possibly, however when running i still have 20 psi at idle, 25 psi just off idle..
With the OFV removed and the return line disconnected?
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Old 12-21-2017, 01:01 PM   #51
Greg5OH

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no sorry, thats just normal configuration, idling at 20 psi.
 
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