Fuel pressure


Old 12-17-02, 04:34 PM
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Fuel pressure

1997 Dodge Ram 2500 with a 5.9 diesel engine. Does anyone know what the fuel pressure should be at idle? I checked Joe's link and it did not list the pressure or any other information on diesel engine. I know the minimum is 10 psi at idle but what I want to know is what is normal pressure at idle. Thanks and Happy Holidays to all.
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Old 12-17-02, 05:14 PM
Join Date: Apr 2002
Location: Pittsburgh,Pa
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Joe's link does list nozzle pressure 3822 psi.
Old 12-18-02, 02:56 AM
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I must have missed it. What I'm looking for is lift pump pressure with the engine running.
Old 12-18-02, 08:56 AM
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Not sure they would have that----that's something that Alldata or a service manual would have.

If it's your own vehicle, it may be worth the 25 dollar Alldata.com subscription if you don't want to go for the OEM manual.

As you know, this is a Cummings made engine that Chrysler uses.

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