What is the fuel pressure for a 5.4 L ford expedition engine

110

Asked by Aug 27, 2015 at 01:47 PM about the 2008 Ford Expedition Eddie Bauer 4WD

Question type: Maintenance & Repair

I have a 2008 Ford Expedition and I am having problems with the engine after changing the spark plugs and fuel filter, I think the fuel pressure is too high, 60 before start and above 70 engine running. Is this normal? I can smell gas on the exhaust now. No check engine and verified the spark plugs twice.

6 Answers

Yes, that is high. Might need a fuel pressure regulator, or Ford calls them modulators. Specs for the 5.4 are 35 psi +/- 5

7 out of 7 people think this is helpful.
110

Do you know where is the fuel pressure regulator located on the truck?

11 out of 11 people think this is helpful.
5,005

35 psi +/-. You are way too high.

4 out of 4 people think this is helpful.
10

^ that is bso the pressure is 62-71 psi koer with a pressure of 62psi koeo

1 out of 1 people think this is helpful.

What type of gas does a v8 5.8 liter in a 2005 ford expedition with a tredtion v8

5,005

Normal regular unleaded. You could use premium if you want to spend the money but you won't get enough gain for the buck to be worth it.

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