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Old 05-13-2009, 23:43   #1 (permalink)
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'01 Explorer Oil Pressure?!?!

Hi Guys, I've got an 01 Explorer V8 4.6l, I've had it for 7 years - its been pretty good - however, 15 months ago it developed a misfire and it has taken Ford until now to finally fix the problem which was two soft valve springs.

One thing that Ford have not answered is the specified oil pressure for the engine - the manual says 20psi - 45psi at 1500rpm at operating temp. My engine has 75psi - Ford tell me that this pressure is ok and the manual is the minimum reading?!?!

Can anyone tell me what oil pressure they get in a V8 4.6l at 1500rpm at operating temp?
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Old 05-21-2009, 18:17   #2 (permalink)
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Re: '01 Explorer Oil Pressure?!?!

Well, high pressure is always better than low pressure when it comes to oil. I don't think you have any issues to worry about. particularly when revving the motor 1500. sorry I don't have specs available

However, I am confused. The new body explorers didn't come out until 2002 1/2 (2003 early release). That was when they started putting the 4.6 into them. Before that it was the 5.0L V8 in the limited and eddie bauer versions.

Can anyone back me up here?
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Old 05-21-2009, 19:04   #3 (permalink)
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Re: '01 Explorer Oil Pressure?!?!

I've looked on a few sites, the 02 shows the 4.6 and the 01 shows a 4.0 & 5.0
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Old 05-24-2009, 11:51   #4 (permalink)
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Re: '01 Explorer Oil Pressure?!?!

Irregardless of engine, they're both 2 valve units and will run close to the same pressure.

What was the oil pressure before the valves were fixed? To put things into perspective, 1500rpm isn't a high engine speed. If you were to increase engine speed to 2500, or even 3000rpm and the engine oil pressure still reads around 75psi, then I wouldn't worry. At idle, pressure should be lower, around the 20-45psi mark. Every vehicle spec'd the same, can be different, even if they're built on the same assembly line.

You can also search the mustang forums, as they run the same engine (4.6 or 5.0 V8), and see what you find. I'm sure you're OK.
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Old 05-24-2009, 18:55   #5 (permalink)
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Re: '01 Explorer Oil Pressure?!?!

75psi@1500RPM = A good tight engine. Don't worry about it.
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