im at a loss with slow hot start, help! - Ford Powerstroke Diesel Forum
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post #1 of 50 Old 08-10-2013, 02:40 PM Thread Starter
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im at a loss with slow hot start, help!

alright guys this is whats going on... truck developed a SLOW hot start issue, and looking at my cts i determined it to be the infamous stc fitting failing. so i replaced the stc with the updated ford part along with the standpipes and dummy plugs, oil change, and fuel filters. truck starts great when cold but went to REI and took about 20 seconds of cranking to finally start. truck runs great by the way, just a small exhaust leak that i still need to fix anyway, icp slowly climbed up to 500 to start, ipr was at 85%, ficm at 49.5, oil gauge on dash cluster came up to normal spot after about 5 seconds of cranking, trucks been driven about 100 miles since install so shouldnt be any air bubbles still. i did replace the screen on the ipr and didnt see any debris so i just dont know where to go from here. and if it matters, injectors do buzz test before start up. thanks for any and all help

06 f-250 ECSB xlt fx4, MBRP 4" cool duals, AFE stage 2 intake, BPD water pump, BPD egr cooler, stc update, stand pipes, dummy plugs, blue spring, late 04 up pipe, wicked wheel 2, PMM coolant filter, Riff Raff ic boots, t6-5w40, Rotella elc, leveling kit with 350 blocks, Pro Comp pro runner shocks, full Powerstop z36 brakes, PHP ficm tuner, insight cts w/egt, SCT x3 with canned tunes...... for now
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post #2 of 50 Old 08-10-2013, 03:24 PM
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Since the icp is showing the oil pressure rise very slowly and the IPR is at 85% I'd assume your HPOP is on its way out or leaking... Did you check the seals on the HPOP when you had it apart?

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post #3 of 50 Old 08-10-2013, 03:26 PM
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FYI... Factory oil gauge on the dash is programmed so poorly its basically an idiot light... its for the low pressure side of the oil system anyway.

05 F-250 Crew Cab Short Bed
ARPs w/OEM Gaskets
MTW Stage 2 w/batmowheel
BPD oil cooler w/ cold weather package
BPD Updated umm...Everything
BPD bypass oil filter
BPD FICM 58v
Spring Mod
Egr deleted
4" Duals
Edge CTS
Custom grille made by Me
X3 w/Matts SRL+/SRLxx and Tow Tunes
Tony WildmanExtreme w/early lockup



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post #4 of 50 Old 08-10-2013, 04:18 PM
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Dash gauge is either in the middle or nothing. Its low pressure oil switch activated at 7 psi. 5 seconds seems a little slow but 20 seconds to get to 500 on hpo is obviously bad. i would suggest pressurizing the hpo system with shop air and listening for leaks. It can be a pain in the butt, however it will pinpoint your leak so you dont throw money at it.


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2003 Silver 6.0L PSD CC/SB FX4
EGR Delete, Oil Cooler upgrade
Blue Spring & Banjo Bolt Upgrade
AFE Stage II Intake, MBRP Straight 4" Turbo back
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SCT Custom Tuned
Autometer GS series
BFG A/T 285s
Recon Smoked Cab Lights
Recon Interior L.E.D.
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Two 10" Sundown Sa4's, Hifonics 1200 RMS mono
Optima Batteries
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post #5 of 50 Old 08-10-2013, 04:42 PM Thread Starter
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Well I was thinking hpop but it runs perfect at WOT. And how exactly do you pinpoint a leak using the air method? Just listen close and best guess??

06 f-250 ECSB xlt fx4, MBRP 4" cool duals, AFE stage 2 intake, BPD water pump, BPD egr cooler, stc update, stand pipes, dummy plugs, blue spring, late 04 up pipe, wicked wheel 2, PMM coolant filter, Riff Raff ic boots, t6-5w40, Rotella elc, leveling kit with 350 blocks, Pro Comp pro runner shocks, full Powerstop z36 brakes, PHP ficm tuner, insight cts w/egt, SCT x3 with canned tunes...... for now
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post #6 of 50 Old 08-10-2013, 04:44 PM Thread Starter
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And no I didn't check seals on hpop, just changed fitting and o ring for the cover

06 f-250 ECSB xlt fx4, MBRP 4" cool duals, AFE stage 2 intake, BPD water pump, BPD egr cooler, stc update, stand pipes, dummy plugs, blue spring, late 04 up pipe, wicked wheel 2, PMM coolant filter, Riff Raff ic boots, t6-5w40, Rotella elc, leveling kit with 350 blocks, Pro Comp pro runner shocks, full Powerstop z36 brakes, PHP ficm tuner, insight cts w/egt, SCT x3 with canned tunes...... for now
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post #7 of 50 Old 08-10-2013, 06:01 PM
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Do a search here for air leak test you will find everything u need. If you have any specific questions id be glad to help, ive done it one too many times. Wat is ur icp and ipr reading at wot? These pumps have the ability to make alot of pressure, the ipr will dump the excess oil. What i do is pull the turbo, pull the filter and pull the ccv tube going into intake. After allll the oil is out of the system, if you have a leak you will hear two things, either a gurgling sound in the filter housing or turbo drain going into the hpop cover (bad seal in the hpop which means air is flowing into the lpo side of the system) or u will hear a leak in the valve covers through the ccv or oil fill tube. Another thing to note is if you have the oil blown out of the system and air is leaking into the hpop cover( you will hear it through the turbo drain or the filter housing) it could be a bad ipr.

With all of that said, i would almost put money on a bad hpop seal. If you feel comfortable with your work on the stc and dummy plugs, pull the hpop and bench test it. if it holds air, replace the exterior seals (cannot replace the front shaft seal) install it, and air leak the entire system. It may take a while to get air out of system


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2003 Silver 6.0L PSD CC/SB FX4
EGR Delete, Oil Cooler upgrade
Blue Spring & Banjo Bolt Upgrade
AFE Stage II Intake, MBRP Straight 4" Turbo back
RBP 6" tip
SCT Custom Tuned
Autometer GS series
BFG A/T 285s
Recon Smoked Cab Lights
Recon Interior L.E.D.
Recon 3rd Brake L.E.D.
Custom Fiberglass Center Console
Two 10" Sundown Sa4's, Hifonics 1200 RMS mono
Optima Batteries
Meyers 7.5C Plow
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post #8 of 50 Old 08-10-2013, 06:52 PM Thread Starter
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^^^ thanks! So where is this seal on the hpop that your talking about? And yes I'm comfortable with my install, torqued to 60 ft. lb.and when your talking about the cover seal, are you talking the actual cover over the hpop or on the actual pump? Just disappointing doing all that work, to not have it be working correctly. I'll do a WOT run tomorrow morning

06 f-250 ECSB xlt fx4, MBRP 4" cool duals, AFE stage 2 intake, BPD water pump, BPD egr cooler, stc update, stand pipes, dummy plugs, blue spring, late 04 up pipe, wicked wheel 2, PMM coolant filter, Riff Raff ic boots, t6-5w40, Rotella elc, leveling kit with 350 blocks, Pro Comp pro runner shocks, full Powerstop z36 brakes, PHP ficm tuner, insight cts w/egt, SCT x3 with canned tunes...... for now
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post #9 of 50 Old 08-10-2013, 06:53 PM Thread Starter
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Sorry another question LOL so are you saying drain all the oil to air test it?

06 f-250 ECSB xlt fx4, MBRP 4" cool duals, AFE stage 2 intake, BPD water pump, BPD egr cooler, stc update, stand pipes, dummy plugs, blue spring, late 04 up pipe, wicked wheel 2, PMM coolant filter, Riff Raff ic boots, t6-5w40, Rotella elc, leveling kit with 350 blocks, Pro Comp pro runner shocks, full Powerstop z36 brakes, PHP ficm tuner, insight cts w/egt, SCT x3 with canned tunes...... for now
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post #10 of 50 Old 08-10-2013, 08:08 PM
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Dont drain the oil, here's a wright up. It's very simple!
http://www.powerstroke.org/forum/gen...r-adapter.html

05 F-250 Crew Cab Short Bed
ARPs w/OEM Gaskets
MTW Stage 2 w/batmowheel
BPD oil cooler w/ cold weather package
BPD Updated umm...Everything
BPD bypass oil filter
BPD FICM 58v
Spring Mod
Egr deleted
4" Duals
Edge CTS
Custom grille made by Me
X3 w/Matts SRL+/SRLxx and Tow Tunes
Tony WildmanExtreme w/early lockup



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