97 Ford 7.3L runs rough on the rear tank - Ford Powerstroke Diesel Forum
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post #1 of 6 Old 09-16-2007, 05:38 PM Thread Starter
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97 Ford 7.3L runs rough on the rear tank

I have a 97 Ford F250 4wd auto with the 7.3L diesel. When I run on the rear tank the engine runs rough but when I switch to the front tank it smooths out and runs fine. I filled both tanks at the same time from the same fuel station. Any idea's as to what is wrong?
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post #2 of 6 Old 09-16-2007, 05:42 PM
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the tank selectormight not pe switchin all the way to the second tank so its starving for fuel or you could have a clogged pickup or a hole in the line sucking in air just a few things to check out.



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post #3 of 6 Old 09-16-2007, 05:42 PM
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if i remember correctly, there is either a pump or filter in both tanks. one of them may be bad. that or you have a lot of junk in your rear tank.

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post #4 of 6 Old 09-18-2007, 03:43 PM Thread Starter
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Thanks for the suggestions, I'll try to pinpoint what I'm dealing with.
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post #5 of 6 Old 09-18-2007, 04:01 PM
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Try checking the fuel pressure on each tank.

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post #6 of 6 Old 09-19-2007, 05:38 PM
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Quote:
Originally Posted by sldghamr View Post
if i remember correctly, there is either a pump or filter in both tanks. one of them may be bad. that or you have a lot of junk in your rear tank.

I dont think so, maybe some others chime in.
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