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Fuel pump going bad?? Please help

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Old Jan 1, 2012 | 05:29 AM
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Fuel pump going bad?? Please help

I have a 99 f150 I think the fuel pump may be going bad but not sure when I am driving between 50-60 mph my truck acts like it is out of gas when I do have gas in it but any other time the truck runs fine any ideas on what's wrong?
 
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Old Jan 1, 2012 | 08:18 AM
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Originally Posted by jcranston
I have a 99 f150 I think the fuel pump may be going bad but not sure when I am driving between 50-60 mph my truck acts like it is out of gas when I do have gas in it but any other time the truck runs fine any ideas on what's wrong?
Doesn't sound like your fuel pump, although you could have your fuel pressure measured by a mechanic just for general purposes.

Is your check engine light on? If so, take it down to your local Advance or Auto Zone. They'll read the codes for free.

Prehaps the Mass Air Flow sensor going bad?
 
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Old Jan 1, 2012 | 01:37 PM
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The check engine light isn't on but can they still run the codes or does the light have to be on
 
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Old Jan 1, 2012 | 02:33 PM
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If there is any codes stored they can read them without the light being on.
When is the last time the fuel filter was changed?
 
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Old Jan 1, 2012 | 02:37 PM
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I just bought the truck about 6 months ago and I haven't done it but it only has 48k miles
 
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Old Jan 26, 2012 | 02:29 PM
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You're gonna need to change that fuel filter about every 3000 miles unless you let your tank run low causing sediment to get in the fuel lines. Oh and it sounds like your cam shaft positioning sensor...
 
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Old Jan 26, 2012 | 02:54 PM
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Why would the cam shaft postioning sensor be going???
 
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