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Still having a problem with the 2002 Ford F250 5.4L truck.

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Starving for fuel between 50...
Still having a problem with the 2002 Ford F250 5.4L truck. Starving for fuel between 50 to 60 mph but then is ok once you get past that.
Submitted: 9 months ago.Category: Ford
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Answered in 5 minutes by:
12/5/2017
Ford Mechanic: Ron, ASE Certified Technician replied 9 months ago
Ron
Ron, ASE Certified Technician
Category: Ford
Satisfied Customers: 25,022
Experience: 23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
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Ford Mechanic: Ron, ASE Certified Technician replied 9 months ago

Have you installed a fuel pressure gauge to the service port and read the actual pressure when the problem is occurring?

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Ford Mechanic: Ron, ASE Certified Technician replied 9 months ago

And what is the pressure reading when it looses power?

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Customer reply replied 9 months ago
I don't know if you can see the response from the previous tech
Ford Mechanic: Ron, ASE Certified Technician replied 9 months ago

I have looked at it but did not see any place where a fuel pressure test was ran.

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Customer reply replied 9 months ago
I can't answer that. I was not given that info. I know the O2 sensors have been changed the MAF sensor has been changed the fuel filter and intake have also been replaced as well as been checked for vacuum leaks
Customer reply replied 9 months ago
My mechanic ran a fuel pressure test on a test drive today. He is at his wits end.
Ford Mechanic: Ron, ASE Certified Technician replied 9 months ago

I would start with reading the fuel pressure when you lose power. The fuel rail has a service port that you can connect the fuel gauge to and it comes with a hose so you can stick the gauge under the wiper blade so you can read the actual pressure. If your mechanic has ran the test ask him what was the readings hes was getting.

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