Weak fuel pump or weak hpop? - Ford Powerstroke Diesel Forum

 
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post #1 of 4 Old 03-05-2012, 04:45 PM Thread Starter
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Weak fuel pump or weak hpop?

So for the second time now as I am getting into it while merging onto the 4 lane I get a shudder. Its not drive line, I am pretty sure it engine related, feels like a fuel issue. Like the injectors aren't getting enough oil, or not enough fuel. Both hpop and FP are original the the best of my knowledge, 290k on tbe clock.

Mods are in my sig, I run the TW in street 99% of the time.

Any thoughts?

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Seth

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95' F-350 CCLB DRW POWERSTROKE
08 Axle/4x4 conversion, 5spd conversion, 6637, 5" SP exhaust, gearhead tunes
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post #2 of 4 Old 03-05-2012, 05:07 PM
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Install gauges on both to verify while driving. Or use a scan tool to tell you HPOP output and duty cycle. What is boost doing while it's happening?

1997 Ford F-350 4x4 SRW regular cab manual trans.
-Rosewood 160cc, 17*HPOP, EPBV delete, 4.10s, 315/75r16

1996 Ford F-350 4x4 SRW CCLB manual trans. CALI spec
-ATS intercooler, WW2 w/ 1.0 housing/EPBV delete, Comp 910s, SD Efuel, 3.55s, 315/75r16

2002 Ranger FX4 with manual transfer case and Alcoa's
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post #3 of 4 Old 03-05-2012, 05:17 PM
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my geen 95 did the exact same thing w/ stage ones and Tw tunes. converted to elec. fuel pump and aftermarket regulator problem solved. I now have stage 2s and use the same fuel set up so its worth it to do the conversion now instead of later with the 2s u want.

1995 2WD F350 Powerstroke
2003 F250 7.3 8" lift
2007 F250 CC 4x4 lariat

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post #4 of 4 Old 03-05-2012, 05:40 PM Thread Starter
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Boost was running between 10-12psi...

E-fuel is the next thing on the list... I am pretty sure that its the original unit.

Sent from my SPH-D710 using AutoGuide.com App

_____________________________________________
Seth

Stroked_NY_023
95' F-350 CCLB DRW POWERSTROKE
08 Axle/4x4 conversion, 5spd conversion, 6637, 5" SP exhaust, gearhead tunes
.]
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