6.0 powerstroke long crank - Diesel Forum - TheDieselStop.com
6.0L Power Stroke Engine and Drivetrain Discussion of the 6.0L Power Stroke diesel engine and drivetrain in the 2003-Up Super Duties and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.0L Power Stroke engine.

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post #1 of 11 (permalink) Old 08-08-2019, 07:59 PM Thread Starter
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6.0 powerstroke long crank

so when i start cranking on my 6.0 it takes a good amount of time. i just got the oil cooler and hpop replaced. it starts better but makes a clunking noise for like 2 seconds then stops. opinions?
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post #2 of 11 (permalink) Old 08-08-2019, 08:32 PM Thread Starter
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and it only happens when it sits
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post #3 of 11 (permalink) Old 08-08-2019, 10:05 PM
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It would help if you could provide us some data. What are your ICP and IPR values while you are cranking? How long does it take to turn over? What year 6.0 do you have?
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post #4 of 11 (permalink) Old 08-09-2019, 06:57 AM Thread Starter
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It would help if you could provide us some data. What are your ICP and IPR values while you are cranking? How long does it take to turn over? What year 6.0 do you have?
i don’t have anything to test that
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post #5 of 11 (permalink) Old 08-09-2019, 06:59 AM Thread Starter
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It would help if you could provide us some data. What are your ICP and IPR values while you are cranking? How long does it take to turn over? What year 6.0 do you have?
i don’t have anything to test that
it’s a 2006.
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post #6 of 11 (permalink) Old 08-09-2019, 12:33 PM
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"It only happens when it sits" For a couple of minutes? For a couple of hours? Overnight?

You're going to have to figure out how to get some real numbers - otherwise we're just throwing darts at the wall.

2006 F250 6.0 4x4
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post #7 of 11 (permalink) Old 08-09-2019, 12:38 PM
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It would help if you could provide us some data. What are your ICP and IPR values while you are cranking? How long does it take to turn over? What year 6.0 do you have?
i don’t have anything to test that
it’s a 2006.
It being an 2006 6.0L, I'm kind of surprised that you needed a new HPOP as they have been known to be pretty stout. The earlier model 6.0's had weaker HPOP's that were problematic. Long crank sounds like a leak in the HPOP system to me. Maybe the dummy plugs or stand pipes need to be replaced. Also, I would hope that your mechanic installed an newer updated STC Fitting on the HPOP.

You should download one of the monitoring apps like forscan. I think you'll need a wireless dongle to connect it to the vehicle.
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post #8 of 11 (permalink) Old 08-09-2019, 11:06 PM Thread Starter
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"It only happens when it sits" For a couple of minutes? For a couple of hours? Overnight?

You're going to have to figure out how to get some real numbers - otherwise we're just throwing darts at the wall.
well it starts hard anywhere after sitting for a couple of hours so overnight and stuff
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post #9 of 11 (permalink) Old 08-09-2019, 11:09 PM Thread Starter
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well i did get some dummy plugs replaced but i don’t know how many. that was my idea at first but it’s still makes a weird noise. i see there anyway i can attach a video somehow?
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post #10 of 11 (permalink) Old 08-10-2019, 11:20 PM
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well i did get some dummy plugs replaced but i don’t know how many. that was my idea at first but it’s still makes a weird noise. i see there anyway i can attach a video somehow?
There is a wealth of knowledge on this forum for you to review. You should just go through similar threads and learn from those that came before you. I was new to Diesels about 7 years ago and now can do all of my own work. There are 2 dummy plugs and 2 stand pipes. Each can have o-ring failures that cause the symptoms that you have described.

There are also TONS of videos on YouTube about 6.0's.
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post #11 of 11 (permalink) Old 08-12-2019, 07:38 PM
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You should download one of the monitoring apps like forscan. I think you'll need a wireless dongle to connect it to the vehicle.
You are correct. The Forscan lite app for iphone monitors all of the PID's you mentions. And yes, you need a wifi odbii adapter from Amazon. the whole setup cost about $30



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