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Discussion Starter · #1 ·
Got a code P1237. Secondary fuel pump circuit failure. I am not having any fuel problems from what I can tell. Gas mileage is still normal, and power has not changed. What could be wrong? I hope it's nothing serious...

Also have a stupid P0411 code. All these secondary systems. Probably just lousy Ford wiring, and nothing serious.
 

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Discussion Starter · #2 ·
*bump*

Problem went away, and has re-surfaced again...
 

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Does the pump make a whinning noise? If not, the pump is fine. I know that Vulcans use a return fuel system, so the pump just runs all the time. I don't know if Duratechs are the same way, though.
 

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Discussion Starter · #4 ·
Originally posted by silvapain@Jul 17 2004, 07:09 PM
Does the pump make a whinning noise? If not, the pump is fine. I know that Vulcans use a return fuel system, so the pump just runs all the time. I don't know if Duratechs are the same way, though.
No fuel pump problems that I know about. The car drives just fine, and there are no surges or loss of power.
 
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