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i have an 03 F-150, 6-cyl. been having problems starting, found that fuel pressure was very low. I replaced the fuel pump and fuel filter two weeks ago. It has been driving fine for two weeks, however, it has been difficult to start a few times. This am it would not start. I checked the fuel pressure at the manifold and it was zero.

When the ignition is turned on, i can hear the fuel pump priming and then shut off. However, the fuel pressure reads zero.

I've checked the inertia/fuel shut off switch and it is fine.

Any suggestions or experiences would be appreciated
 

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2013 F-150 XLT 4WD with 5L
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First, welcome to the forum!

Next, it is possible that when you put in the new pump and filter that you loosened up some debris in the tank/lines and it could be a simple clog in the new filter. Have you removed the filter to see if fuel flow is strong to that point?

Mac
 
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