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post #1 of 12 Old 02-15-2013, 09:56 AM Thread Starter
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Weak HPOP?

No real problems with the truck it has just always seemed a little weaker than most of my buddies trucks. Ran my ae on a WOT run today and got this...


accl RPM EXBP ICP ICP-dc
  1. 33.73 2106.5 23.85 2222.43 37.11
  2. 54.12 2821.5 44.51 2353.66 42.18
  3. 55.69 2911.3 41.94 2289.74 47.65
  4. 71.38 2948 44.66 2050.47 53.9
  5. 70.20 3036.3 50.31 2079.32 59.37
  6. 69.42 2570 46.44 1907.36 65.23
  7. 69.81 2711.3 45.78 1956.01 69.92
  8. 69.42 2862.5 44.01 2014.27 74.6
  9. 67.46 3004.5 45.06 2086.67 79.68
  10. 62.75 3140.5 47.09 2255.8 79.29
  11. 47.85 2321.8 38.68 3078.25 68.75
  12. 19.61 2225.3 23.96 3569.8 44.14
  13. 10.98 2257.5 19.36 2902.9 31.64
  14. 10.98 2196.8 20.77 2243.36 25
  15. 10.98 2130.5 19.1 1758.03 21.09
I am having a hard time spacing it so you can see it, WOT is about 70% ( i need to recalibrate it) Columns go, Accelerator pedal, RPM, EXBP, ICP,ICP-DC The icp spikes as I am letting off the throttle up to 3569.8 but never gets over 2014 at full throttle. hope you understand it.

Is it getting weak? 317,000 miles. Thanks

Quote:
Originally Posted by bjs505 View Post
Of course I'm handy under the hood, I currently own a cummins.

2010 F350 CCLB Cabelas Edition
No Limit cai, Mini Maxx, 5" turbo back Flo Pro, Sinister egr delete, Sinister coolant filter, Cat EC-1, PTP shift solenoid. 20x9 +18 XD Monsters
01' 7.3 CCLB, 6637,wicked wheel G2, HPX, PHP Hydra, MBRP 4" Turbo back, Bellowed uppipes, Stancor gpr, 6.0 cooler, Fpr, Glow shift exhaust, pyro, trans, 203*/billet housing/ Cat EC-1, '07headlights/05' grill, Oh8' gate.
78' F350 "dumpy" old school

Last edited by floorboy; 02-15-2013 at 10:00 AM.
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post #2 of 12 Old 02-15-2013, 10:25 AM
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It is either a weak HPOP or you are loosing oil pressure somewhere else. Your duty cycle is way up there so it is trying and calling for more oil.

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post #3 of 12 Old 02-15-2013, 11:35 AM Thread Starter
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KOEO was 14.82 if I remember? Idle? 500 something maybe?? Where to look? Injectors? Not sure how you tell. Thanks.

Quote:
Originally Posted by bjs505 View Post
Of course I'm handy under the hood, I currently own a cummins.

2010 F350 CCLB Cabelas Edition
No Limit cai, Mini Maxx, 5" turbo back Flo Pro, Sinister egr delete, Sinister coolant filter, Cat EC-1, PTP shift solenoid. 20x9 +18 XD Monsters
01' 7.3 CCLB, 6637,wicked wheel G2, HPX, PHP Hydra, MBRP 4" Turbo back, Bellowed uppipes, Stancor gpr, 6.0 cooler, Fpr, Glow shift exhaust, pyro, trans, 203*/billet housing/ Cat EC-1, '07headlights/05' grill, Oh8' gate.
78' F350 "dumpy" old school
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post #4 of 12 Old 02-16-2013, 05:21 AM Thread Starter
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Could bad injector orings cause this?? I was told I should replace my orings with my mileage last year by somebody on here. I bought them but never got them installed.

Quote:
Originally Posted by bjs505 View Post
Of course I'm handy under the hood, I currently own a cummins.

2010 F350 CCLB Cabelas Edition
No Limit cai, Mini Maxx, 5" turbo back Flo Pro, Sinister egr delete, Sinister coolant filter, Cat EC-1, PTP shift solenoid. 20x9 +18 XD Monsters
01' 7.3 CCLB, 6637,wicked wheel G2, HPX, PHP Hydra, MBRP 4" Turbo back, Bellowed uppipes, Stancor gpr, 6.0 cooler, Fpr, Glow shift exhaust, pyro, trans, 203*/billet housing/ Cat EC-1, '07headlights/05' grill, Oh8' gate.
78' F350 "dumpy" old school
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post #5 of 12 Old 02-16-2013, 05:27 AM
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That's a cheaper option than replacement of the pump. And if you do the o-rings you know for sure after that. With that many miles I'd guess it's weak, and o-rings are weak too.

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post #6 of 12 Old 02-16-2013, 06:10 AM
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Quote:
Originally Posted by floorboy View Post
Could bad injector orings cause this?? I was told I should replace my orings with my mileage last year by somebody on here. I bought them but never got them installed.
I do not think you would be losing that much ICP through a worn injector o-ring. Although at 317,000, it is probably a good idea to change them.

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post #7 of 12 Old 02-16-2013, 06:44 AM
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what causes the icp to spike like that when you let off the throttle?

99 CC SB. Swamps 300/200, RiverCity turbo, BTS 4R100
BTS big oil, about 2000watts of plug in heat.

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post #8 of 12 Old 02-16-2013, 09:03 AM Thread Starter
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Quote:
Originally Posted by athabasca View Post
what causes the icp to spike like that when you let off the throttle?
Curious as well.

Quote:
Originally Posted by bjs505 View Post
Of course I'm handy under the hood, I currently own a cummins.

2010 F350 CCLB Cabelas Edition
No Limit cai, Mini Maxx, 5" turbo back Flo Pro, Sinister egr delete, Sinister coolant filter, Cat EC-1, PTP shift solenoid. 20x9 +18 XD Monsters
01' 7.3 CCLB, 6637,wicked wheel G2, HPX, PHP Hydra, MBRP 4" Turbo back, Bellowed uppipes, Stancor gpr, 6.0 cooler, Fpr, Glow shift exhaust, pyro, trans, 203*/billet housing/ Cat EC-1, '07headlights/05' grill, Oh8' gate.
78' F350 "dumpy" old school
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post #9 of 12 Old 02-16-2013, 12:29 PM
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Quote:
Originally Posted by athabasca View Post
what causes the icp to spike like that when you let off the throttle?
Quote:
Originally Posted by floorboy View Post
Curious as well.
Could be a sticking IPR...

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post #10 of 12 Old 02-16-2013, 04:05 PM
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It sounds like you're losing fuel pressure. My trucks icp spiked when I let off the throttle. It happened when my in tank screens were plugged
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