7.3 l diesel problem!!! - Ford Powerstroke Diesel Forum
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post #1 of 8 Old 05-22-2013, 04:43 AM Thread Starter
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7.3 l diesel problem!!!

sorry for my poor english (I'm Italian), I have a 7.3 powerstroke ford Ecoline E350 1997, teaching you what happened: in regular gear I had two jerks to the engine and then 2/3 mile has stopped, after about 5/10 minutes again after 5/10 minutes of stopping the engine. replaced filter, clean tanks and floating, same problem!!, externally mounted electric pump set in motion after off attached electric pump will not start but nothing. could be the mechanical pump mounted near the diesel filter? that after a while it stops? electric pump of luck was mounted between the tank and the filter, but if the mechanical pump stops working does not pass diesel right? someone can help me? thanks Sergio
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post #2 of 8 Old 05-22-2013, 09:21 AM
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If you dropped the tanks have you had a chance to prime the system? And have you checked fuel psi while cranking?

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post #3 of 8 Old 05-22-2013, 11:33 AM
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If you can, measure the fuel pressure at the shrader valve (driver's side of the fuel filter bowl) while cranking. The specification is 25 psi minimum and minimum 100 rpm cranking speed. At idle (if you can get it to idle), it should be 50-60 psi. Cheers!

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post #4 of 8 Old 05-22-2013, 01:50 PM Thread Starter
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thanks I try to measure the pressure and then tell you ......
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post #5 of 8 Old 05-27-2013, 12:55 PM Thread Starter
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hello, I have a doubt with a battery that could be unhealthy to turn off the engine after 5 minutes? also what sets the fuse 22? thanks
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post #6 of 8 Old 05-27-2013, 06:25 PM
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If you have one bad battery, that could cause problems with starting. Many times if one battery is bad, the Check Engine Light will be flashing rapidly along with rapid clicking of the IDM relay in the underhood fusebox. If fuse #22 is blown, the fuel heater (driver's side of the fuel filter bowl, second wiring connection down from the top) has probably shorted (disconnect it and replace the fuse). If the Wait-to-Start light is not illuminating, that may be your problem. Cheers!

1997 F250 SC 4x4, E4OD, 4.10 LS, Basically Stock, Relocated Block Heater Plug, External Trans Filter, Tru-Cool Max, I/C Mounted but not Plumbed

SOLD - 1994 F350 CC DRW 2WD PSD, 5 Speed, 4.10 LS, SBC Con-O, Baldwin Filter, Tymar HPX Hose, DPPI DP, Bilsteins, $12 AIC, Coolant Filter, Explorer Overhead Console, A-Pillar w/ISSPRO Black Ice, EV Boost, and EV Pyro, Modified Pedestal, Gutted EBPV.
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post #7 of 8 Old 05-28-2013, 09:44 AM Thread Starter
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changed batteries and motor party .... 5 minutes and stop engine again ..... could be the air filter that fishing? near the pump or filter? Shrader valve controls what? thanks for the help
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post #8 of 8 Old 05-28-2013, 09:51 AM Thread Starter
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or better ...... into the bowl of the filter there is some sensor that could turn off engine after 5 minutes? it does not start right away but you have to wait a little time to share helots king. I'm sorry but I have a ford mechanic's impractical .... thanks
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