2003 engine E350 into a 1997 F350
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Freshman User
Joined: Dec 2008
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2003 engine E350 into a 1997 F350
Hi All,
I swapped a 2003 7.3 into a 97 truck change everything I found necessary from the 97 engine to the 2003 but I cant get the engine to start. the injector don't seem to be firing. any ideas. Thanks
I swapped a 2003 7.3 into a 97 truck change everything I found necessary from the 97 engine to the 2003 but I cant get the engine to start. the injector don't seem to be firing. any ideas. Thanks
Lead Driver
Joined: Oct 2003
Posts: 8,476
Likes: 37
From: Madison, WI
What did you do for fuel supply? Oh, uh, you didn't just put the fuel pump on the SD block, did you? Hate to break this to you, but that won't work; there's no lobe on the camshaft to drive it. You have to go e-fuel.
Fleet Mechanic
Joined: Feb 2008
Posts: 1,645
Likes: 4
What PCM are you using?
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Lead Driver
Joined: Oct 2003
Posts: 8,476
Likes: 37
From: Madison, WI
So back to basics:
* Does the WTS come on?
* Does the tach move when you crank it?
* Have you confirmed the e-fuel is working, do you have good fuel pressure?
* Have you done any PCM-based diagnostics, KOEO, injector buzz, etc?
* Have you monitored anything while cranking, such as injection pressure?
* Does the WTS come on?
* Does the tach move when you crank it?
* Have you confirmed the e-fuel is working, do you have good fuel pressure?
* Have you done any PCM-based diagnostics, KOEO, injector buzz, etc?
* Have you monitored anything while cranking, such as injection pressure?
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Freshman User
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good morning all thanks for the replies got the motor running this morning pulled out the squematics and started checking powers and grounds and found I was missing the ground that supplies the pcm and idm. Farmet yes I just installed the electric fuel pump what else you think would be necessary?
Lead Driver
Joined: Oct 2003
Posts: 8,476
Likes: 37
From: Madison, WI
Are you using the stock fuel bowl? If so, is the electric pump upstream or downstream of it?
Absence of power to the PCM should have been evident the moment you turned the key. The WTS light would not have come on. There wouldn't even be any reason to proceed further to try to start it without getting the WTS light. You would also not have seen the brief flicker of the CE light.
Absence of power to the PCM should have been evident the moment you turned the key. The WTS light would not have come on. There wouldn't even be any reason to proceed further to try to start it without getting the WTS light. You would also not have seen the brief flicker of the CE light.
Lead Driver
Joined: Mar 2006
Posts: 5,105
Likes: 1,523
From: western SD
good morning all thanks for the replies got the motor running this morning pulled out the squematics and started checking powers and grounds and found I was missing the ground that supplies the pcm and idm. Farmet yes I just installed the electric fuel pump what else you think would be necessary?