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

150

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.

7 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

9 of 9 people found this helpful.
150

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

15 of 15 people found this helpful.
5,525

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

6 of 6 people found this helpful.
20

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

2 of 2 people found this helpful.
10

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

1 of 1 people found this helpful.
5,525

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.

1 of 1 people found this helpful.
10

I been having problems with speed everytime i press on the gas my 2000 Ford expedition xlt acts like its choking on something. What could be wrong it only runs about 25 35 the most

1 of 1 people found this helpful.

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