Extremely loud motor

[scottthor44]

Sorry for the confusion.
3891.0 psi Actual rail pressure
4096.0 psi desired rail pressure
6.2mm3 fuel rate.
10 psi fass system fuel pressure

This is at idle. Now my autometer rail Guage reads 6500 psi that make any sense.
And I'm getting the readings through my predator chip unit which is pretty close to a tech 2 I've compared them so I wouldn't have to drive across town to use it. But is easily accessible if needed

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[scottthor44]

Now that it's a fully warmed up its at
3475 actual
3481 desired

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[Awenta]

And with the lift pump off?

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[scottthor44]

No difference.

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[THEFERMANATOR]

Now that it's a fully warmed up its at
3475 actual
3481 desired

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That reading must be off. Stock rail pressure minumum desired is 30 mpa or 4350 psi for 02-04 cali emission trucks, federal emission trucks is 35 mpa or 5075 psi. If you're actually only running 3400-3500 psi, then I would expect it to run quietly, and haze like a mofo at idle after it runs for a minute or so.