5.9 cummings - Diesel Forum - TheDieselStop.com
Ford 650/750 Medium Duties Technical discussion of the new Ford Super Duty 650 and 750 series trucks with Power Stroke, Cummins, or Caterpillar engines.

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post #1 of 3 (permalink) Old 11-16-2006, 06:13 PM Thread Starter
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5.9 cummings

I have a 05 f-650 with the cummings truck idles fine but falls on its face when you try to drive it changed fuel, air, and the filter on the frame for fuel, with no luck please help truck has 80.000 miles thank you
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post #2 of 3 (permalink) Old 11-16-2006, 06:21 PM
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Re: 5.9 cummings

They have been having a lot of trouble with the transfer pumps. Call your dealer.

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post #3 of 3 (permalink) Old 11-22-2006, 11:50 AM
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Re: 5.9 cummings

Check fuel pressure between the filter and v44 pump, it must be at 7psi minumum to run properly, 22psi max.

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