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Where is the fuel pressure relief valve for a 4.6L 2003 Ford Expedition?
Wiki User
∙ 15y ago
= Relieving Fuel System Pressure = To release the pressure in your fuel lines (and fuel filter) you'll need to locate the fuel pump fuse in the fuse box. If you don't have a fuel pump fuse, find the relay that operates the fuel pump. Once you've found the fuel pump fuse or relay, start the car. With the engine running, pull the fuse or relay out. If you pulled the right one, the engine will quickly die. Since it's using all of the pressurized fuel in the system, the fuel lines won't be pressurized when you crack the fittings on your fuel filter. Now that you've relieved the fuel pressure you can remove the old fuel filter. If you didn't do this yet, you must go to the previous step and do it. Very dangerous!
Wiki User
∙ 15y ago
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What is a PCF on a Ford Expedition 2003?
Do you mean PCV ? - ( Positive Crankcase Ventilation ) valve
What 5.4 engine comes in an 03 expedition?
In a 2003 Ford Expedition : The ( 2 valve per engine cylinder version ) if that is what you are asking
Where is the 2003 ford expedition egr valve pressure sensor located?
Left of center looking at the engine and all the way back towards the firewall. A black hose is connected to its center nipple.Cylindrical shaped.
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check your EGR valve
How do you remove the pressure from the gas line on a 2003 ford expedition?
remove gas cap , then under hood on the fule rail thhre is a small unit that looks like a tire valve cap remove it and press down on stem , where eye protection
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Depends on the make, model and engine
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its located in valve body
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Your idle air control valve is available from your local NAPA Auto Parts store. Ask for part# 2-16790 (CRB).
Where is the PCV valve at on a 2003 expedition?
Standing in front of vehicle PCV is located on the left side of engine valve cover to the rear of engine, hose runs along the back of engine. Hope this helps.
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I use a leak down tester that applies air pressure from an outside source to the cylinders.
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What size engine does the 2003 Ford Expedition have?
The 2003 Ford Expedition has a V8 engine.
