Question about 2002 Ford E-Series

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Need to know correct fuel pressure range for a 1999 Ford E 150 with a 4.2L. Cannot find spec anywhere online.

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30-45 PSI (Pounds per Square Inch)

Attach fuel pressure gauge test valve as to release the pressure in the fuel system, then place the open hose end into a suitable gasoline container. Now proceed to bleed down the pressurized fuel system. Close the test gauge valve and place the ignition in the on position, utilize a scan tool to energize the fuel pump. This will bring the system to a stabilized fuel pressure that can be visually verified on the gauge. Hope this helped and best wishes.

Posted on Sep 10, 2009


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Hello coret_d_king: My name is Roger and i will give you some things to look at. First is the check engine light on? If so you need to address these problems first. You need to know what the codes are stored in the memory of the computer. You need to check the fuel pressure for the proper pressure. The correct pressure is 60-66 psi.key on engine off. If the pressure is not within these specs. then the fuel pump should be looked at. Also check the fuel filter. There could be a blockage. I would also have the catalytic converter checked. Should the converter become plugged. The engine can not breath. The truck will run better cold but as the engine warms up. The truck runs worse. Will surge and lack performance.
SHould you need further help please just ask. Please rate the answer you received as this is how we know you were given correct information. Thank You for using Fix Ya. Roger

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RPM Northwest

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