Fuel psi help - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 05-04-2009, 03:45 PM Thread Starter
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Fuel psi help

I just put in ITPs RR kit last week and have the psi. set at 65 psi. My fuel psi is still dropping down to 20-25 psi at WOT. I have Erics Extreme Street tune in now but it does it with other tunes also.
I need help to try and figure this out. Do I need a new pump like the new AirdogII coming out?

Thanks.

2007 6.0 PSD,F350 4X4 Lariat,CC, DRW,9' Knapheide body, stainless steel lader rack, SCT with custom tunes, ARP's, EGR delete, ITP RR, Airdog II 130/75, Garrett Powermax, Banks turbo back, Firestone air bags, Autometer gauges
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post #2 of 5 Old 05-04-2009, 07:35 PM
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Filters, then pump. A good stock pump has no problem keeping up with stock injectors.

2006 F-250 4x4 ecsb, Elite stage 2's, VGT-SSX.
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post #3 of 5 Old 05-04-2009, 08:21 PM
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Quote:
Originally Posted by Vizsla View Post
Filters, then pump. A good stock pump has no problem keeping up with stock injectors.
thats true. i would check the filters first.

20 pounds is low

-Evan

6.HO
tuned by Eric
12.3

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Originally Posted by shu873 View Post
Yeah, but your trucks a freak of nature...
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post #4 of 5 Old 05-05-2009, 01:16 AM Thread Starter
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I changed the filters twice in the last month and a half, once before I ordered the RR and then again on Saturday. I also change them every 10,000 miles so it is not the filters.
Can a pump go with the truck only having 29,000 miles?

2007 6.0 PSD,F350 4X4 Lariat,CC, DRW,9' Knapheide body, stainless steel lader rack, SCT with custom tunes, ARP's, EGR delete, ITP RR, Airdog II 130/75, Garrett Powermax, Banks turbo back, Firestone air bags, Autometer gauges
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post #5 of 5 Old 05-05-2009, 02:07 AM
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Quote:
Originally Posted by Vizsla View Post
Filters, then pump. A good stock pump has no problem keeping up with stock injectors.
My stock pump never kept up with stock injectors and a hot tune, even after installing the ITP and numerous other enhancements to the fuel system. It's barely marginal at best.

I Bleed Razorback Red

Ford Makes It, International Shakes It, Casserly Fuels It, KC Turbo Spools It, SCT Tunes It, and Trucks Unlimited keeps her Rockin the Road
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