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06-10-2020, 05:55 PM
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#1
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Junior Member
Join Date: Dec 2013
Posts: 17
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Electric transfer pump
i found my priming prolem (2003 winnebago ISB 5.9 ) used scanner code is 2265 hi voltage electric fuel pump. dose anyone know where this pump is located?
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06-10-2020, 08:47 PM
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#2
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,897
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On my pickup 5.9, it was on the injector pump side of the engine near the engine's rear, just above the oil pan flange. My problem was not the actual pump, but rather the 2 flexible lines from it to the steel fuel lines. They looked fine on the outside, the inside was collapsed.
__________________
2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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06-12-2020, 11:08 AM
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#3
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Senior Member
Freightliner Owners Club
Join Date: Jun 2014
Location: United States
Posts: 119
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Last year I experienced the same failure. It was caused by a failed "transfer pump" as Cummins calls it. It actually pulls fuel from the main tank. It feeds the high pressure injection pump. Its located on the rh rear section of the ISB engine block. I had a mobile mechanic change it in Spokane WA. He got to it from the bottom of the engine. If I remember correctly the bill was less than $700.
__________________
Phil & Kay Atterbery (Bounders Of America #71)
"Kilroy & Dixie" w/one furry kid,'04 Bounder DP 38N, '11 Escape on a trailer. (occasionally in Wichita)
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06-12-2020, 10:20 PM
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#4
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,897
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I forgot to say; this pump has a fuel screen inside that can become clogged with debris.
__________________
2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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07-04-2020, 11:25 PM
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#5
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Member
Country Coach Owners Club
Join Date: Aug 2017
Posts: 90
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Ray, thanks for commenting on the screen inside the lift pump! WOW, had never heard of that. Is this something that can be accessed, and cleaned? I know I ran some really knarly algae-cruder fuel a while back. Changed both my spin on filters, but an worried about stuff that may have gotten deeper into things.
Any idea where a guy could get more details?
Thanks.
__________________
Mike & Lynn
2008 36' Tiffin Phaeton
Pushed by a 2014 Ruby Red Grand Cherokee.
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07-05-2020, 10:27 PM
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#6
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,897
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I was wrong, I apologize, you have an in-tank lift pump; no screen to clean.
__________________
2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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