7.3 died while driving wont start
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Freshman User
Joined: Oct 2013
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From: San Antonio
7.3 died while driving wont start
Hey guys, im new on here, not sure if this is where i should post, but here goes.... 2001 7.3 driving down the freeway died like someone turned off the key. now it wont start. changed the cps, checked fuel pressure, it was at 18 psi, replaced pump, now its at 62 psi, still no start...all fuses are good, has power and fuel to injectors, but not putting out any smoke/raw fuel from the exhaust. idm and valve cover gasket/harness replaced three weeks ago. wts and ses lights do come on at key on. I dont have access to a scantool that will read the idm...any suggestions? Thanks
Senior User
Joined: Sep 2013
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I kinda mis-spoke. If you dont have a regulated return fuel system the air can't get out except though the injectors. So you would actually have to turn it over repeatedly to get the air out. Assuming that's your problem. When I had air in my system that's what I had to do to get it started. Although it did drain the batteries quite a bit so have a charger handy if you have one. Also don't turn it over so much too fast that you destroy your starter.
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Freshman User
Joined: Oct 2013
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From: San Antonio
ya...it sure would. im going to look around tomorrow for someone with a capable scan tool
Last edited by jonlfisch; Oct 23, 2013 at 06:50 PM. Reason: typo
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Freshman User
Joined: Oct 2013
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From: San Antonio
i couldn't see any leaks on the lines...maybe the bottom plug that ford says do not remove...i have to take the fuel filter housing off to see. but its getting dark here, ill be back into it tomorrow, thanks for your help :-)
Laughing Gas
Joined: Aug 2010
Posts: 1,098
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From: Ventura co.
check to see if the tin nut on the ipr is still on. if its off or loose it will not start.
Also check fuse # 29 or 30. if the fuel heater shorts out it will blow the fuse. That fuse also runs the PCM. if it is, unplug the fuel heater and see if it pops the fuse again. if it dose you may have a known short. on the driver side valve cover there is a big plug we call the 42 pin plug. the lower wires on that plug rub against the valve cover and that wire happens to be the first wire too short out and blow the fuse..
Also check fuse # 29 or 30. if the fuel heater shorts out it will blow the fuse. That fuse also runs the PCM. if it is, unplug the fuel heater and see if it pops the fuse again. if it dose you may have a known short. on the driver side valve cover there is a big plug we call the 42 pin plug. the lower wires on that plug rub against the valve cover and that wire happens to be the first wire too short out and blow the fuse..