3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

fuel pressure...what is it suppose to be?

Old Mar 16, 2008 | 08:19 PM
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mostly stock's Avatar
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fuel pressure...what is it suppose to be?

title pretty much says it all.

what is my fp suppose to be lp and hp at idle, and when i roll into it?
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Old Mar 16, 2008 | 08:23 PM
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06 DIESEL's Avatar
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I am not sure what year your truck is but with my 06 I saw 7 at idle and 0 at wot stock and turned up. Now I have the Air Dog and see 17 all the time.
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Old Mar 16, 2008 | 08:46 PM
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its an 04

when first put in the commander i was seeing 5-7 at idle and easy driving, now i only see 2 at idle and easy driving?

trying to figure out if it is the gauge or the pump
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Old Mar 16, 2008 | 08:50 PM
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From: Calgary
Pump, plan on a new one soon.
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