Fuel pressure issue. - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 4 (permalink) Old 09-16-2014, 11:31 PM Thread Starter
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Fuel pressure issue.

Ok guys I've been fighting this issue for a long time. I had an air dog. When I went to punch it the air dog would go down to 20 psi. Got a sump same thing. Sold the air dog got a fuel lab now my fuel Pressure shows 99 at idle and when I punch it it drops to 9. Now the gauge is off my edge and it could be wrong but I know I don't have enough fuel because I can feel that the truck doesn't have enough up top. I did see some silicone in the air dog filter right after the change. Do you guys think there is a blockage in the sump? When I take the lines off and let the sump run loose fuel comes out free.... Where else could there be a blockage

2003 F250 XLT 4 Door Long Bed
LT 265/75/16 Goodyear Silent Armor
Dura-Stroke Turbo Built by Adrian,Warren 175CC Injectors, AIR DOG 2, EDGE CTS Programmer, 4in Diamond Eye Straight Exhaust, S&B Intake, ARP Studs, New Oil Cooler 8/12, BPD EGR Delete, Blue Spring upgrade, SCT Custom Tuned, FICMrepair.com's Atlas 40 tune,
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post #2 of 4 (permalink) Old 09-17-2014, 01:18 AM
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Re: Fuel pressure issue.

Have you checked yo fuel regulator on the secondary filter?

2002 F-250 CCSB PSD 4X4, 38R, S&B CAI, Bully Dog GT, 4" Exhaust, 05 head lights and grill, 08 power fold mirrors, tailgate, bumper, tail lights, 2014 chrome steps.
1979 Bronco 4X4, 460, c6, 205
2003 Ranger 2.3 MT 2wd
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post #3 of 4 (permalink) Old 09-17-2014, 02:29 AM Thread Starter
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Re: Fuel pressure issue.

Under the hood? I don't have a filter there anymore

2003 F250 XLT 4 Door Long Bed
LT 265/75/16 Goodyear Silent Armor
Dura-Stroke Turbo Built by Adrian,Warren 175CC Injectors, AIR DOG 2, EDGE CTS Programmer, 4in Diamond Eye Straight Exhaust, S&B Intake, ARP Studs, New Oil Cooler 8/12, BPD EGR Delete, Blue Spring upgrade, SCT Custom Tuned, FICMrepair.com's Atlas 40 tune,
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post #4 of 4 (permalink) Old 09-18-2014, 11:41 PM Thread Starter
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Re: Fuel pressure issue.

bump!! pump flows good up until the fuel bowl then i loose pressure somehow...anyone got any suggestions?

2003 F250 XLT 4 Door Long Bed
LT 265/75/16 Goodyear Silent Armor
Dura-Stroke Turbo Built by Adrian,Warren 175CC Injectors, AIR DOG 2, EDGE CTS Programmer, 4in Diamond Eye Straight Exhaust, S&B Intake, ARP Studs, New Oil Cooler 8/12, BPD EGR Delete, Blue Spring upgrade, SCT Custom Tuned, FICMrepair.com's Atlas 40 tune,
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