7.3l fuel pump location - Ford Powerstroke Diesel Forum
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Old 10-01-2011, 10:30 AM
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7.3l fuel pump location

Hey yall just out if curiosity where is the fuel pump on a 7.3l. Does anyone have a fuel digram i fallowed the fuel from the tank up to the canister then from there it went over by the relays and i lose it lookes like its in the head lol wtf thanks guys.
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Old 10-01-2011, 10:38 AM
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Under driver's seat, inside frame rail.
Bigger line leaves fuel tank, down the frame rail, into pump, up the front of the motor on driver side to fuel bowl, then out to either head or back through FPR to the tank.
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Old 10-01-2011, 10:39 AM
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what he said. that canister is your fuel pump
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Old 10-01-2011, 10:40 AM
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I thought that was just an electric lift pump fuel pumps are normally engine driven
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Old 10-01-2011, 10:41 AM
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Hmmmm is it just me or is that weird
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Old 10-01-2011, 10:42 AM
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Quote:
Originally Posted by usnavyad View Post
I thought that was just an electric lift pump fuel pumps are normally engine driven
nope. return is regulated at the fuel bowl. engine driven fuel pump is an OBS thing. if you're thinkin of an injection pump.... you're thinkin of the wrong kinda injection system.
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Old 10-01-2011, 10:43 AM
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Originally Posted by usnavyad View Post
Hmmmm is it just me or is that weird
it's just you. lol
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Old 10-01-2011, 10:47 AM
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Not only that but jerk pumps im used to a pln set up and a line fir each cyl yall got me on this on so pressure is the same on a rail that is constant at each injector right
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Old 10-01-2011, 10:53 AM
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Originally Posted by usnavyad View Post
Not only that but jerk pumps im used to a pln set up and a line fir each cyl yall got me on this on so pressure is the same on a rail that is constant at each injector right
you are thinking of mechanical injection. Here's a read for you on how our injection system works.

How HEUI works and best to convert

you must be used to ag diesel or non CAT/7.3-6.0 diesels. Because it's our main advantage over other diesel of the time.
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Old 10-01-2011, 11:07 AM
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Yes, the pressure in each rail is theoretically the same. Usually not reality though.
Our fuel pumps lift and pressurize. There is no in tank pump. Just an assembly for the fuel level and pickup and return lines.
Read the HEUI article. It clears everything up.
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