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Old 02-11-2014, 07:57 PM
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Question Odd starting issue......?

So I've had my 6.0 for a little over a year now. Ive done the BPD oil cooler, BPD FICM, new batterys, and STC fitting upgrade. I only run Ford OEM fuel filters and always run an additive. Currently running F-Bomb. So my problem is when the truck is parked overnight, on a flat surface, no matter the temp (as low as 30 as high as 100), it takes anywhere from 3-6 sec to start up. Now here is where it gets odd. If I park it in a driveway nose up, 1-2 sec start up. Even during the day, after sitting at work same thing. If I park on a level surface, long crank. Park on a incline, starts right up. Dose not seem to be affected by air temp. If I drive it and get it up to temp, again, no problem starting up again. No matter the surface angle. Any input would be nice. When cranking after a long sit, ICP shoot right up to about 600-800psi. At idle after start up, 800-1200psi. Normal idle, 600-700psi. This is all off of my SCT livewire TS. Not very accurate IMO. but not to far off. Currently running AMSOIL 15W40.

Last edited by powerstrokeculver; 02-17-2014 at 05:59 PM.
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Old 02-17-2014, 05:59 PM
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Anything? HPOP? Dummy plugs? Stand Pipes? Wheres a good spot to start?
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Old 02-17-2014, 06:51 PM
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Seems very odd but how many miles on the truck? Might be standpipes and only reason I could think that an incline would change that is somehow due to the oil draining down the standpipes or oil rails more or less but not sure. The orings at the top get screwed up just like the dummy plug orings. Just changed them in my truck over the weekend to find the dummy plugs had already been updated but not the standpipes
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Old 02-17-2014, 06:58 PM
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Quote:
Originally Posted by powerstrokeculver View Post
So I've had my 6.0 for a little over a year now. Ive done the BPD oil cooler, BPD FICM, new batterys, and STC fitting upgrade. I only run Ford OEM fuel filters and always run an additive. Currently running F-Bomb. So my problem is when the truck is parked overnight, on a flat surface, no matter the temp (as low as 30 as high as 100), it takes anywhere from 3-6 sec to start up. Now here is where it gets odd. If I park it in a driveway nose up, 1-2 sec start up. Even during the day, after sitting at work same thing. If I park on a level surface, long crank. Park on a incline, starts right up. Dose not seem to be affected by air temp. If I drive it and get it up to temp, again, no problem starting up again. No matter the surface angle. Any input would be nice.
What caught my eye is that your symptoms are exactly opposite of what I experienced just before my STC fitting let go.
If I parked nose up, it wouldn't start. Nose down or on the flat, it would start just fine. That only lasted a few days before it got real bad.

I would surmise that you have a failed dummyplug/standpipe that is allowing the rails to drain back into the HPOP just enough to give you that long crank time. When parked nose up, the oil under the oil cooler will naturally fall back to the HPOP reservoir and stop the drainback. Flat ground and there wouldn't be as much oil there.
Thats my guess...
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Old 02-17-2014, 07:02 PM
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^ I agree with him. Very well put.
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Old 02-17-2014, 07:52 PM
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Originally Posted by BRichards118 View Post
Seems very odd but how many miles on the truck? Might be standpipes and only reason I could think that an incline would change that is somehow due to the oil draining down the standpipes or oil rails more or less but not sure. The orings at the top get screwed up just like the dummy plug orings. Just changed them in my truck over the weekend to find the dummy plugs had already been updated but not the standpipes
I only have 41K on the truck. Had 19K on when I bought it. Its done this since day one.
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Old 02-17-2014, 07:58 PM
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Originally Posted by NYC F-350 View Post
What caught my eye is that your symptoms are exactly opposite of what I experienced just before my STC fitting let go.
If I parked nose up, it wouldn't start. Nose down or on the flat, it would start just fine. That only lasted a few days before it got real bad.

I would surmise that you have a failed dummyplug/standpipe that is allowing the rails to drain back into the HPOP just enough to give you that long crank time. When parked nose up, the oil under the oil cooler will naturally fall back to the HPOP reservoir and stop the drainback. Flat ground and there wouldn't be as much oil there.
Thats my guess...
Thats kinda what I thought. I just wanted to post it up and see what everybody had to say about it. I know the dummy plugs are easy to swap out. How bad are the stand pipes? I want to say the last time I read up on them they install under the rails. But anything as far as potential problems I might run into?
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Old 02-17-2014, 08:30 PM
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Dummy plugs and standpipe replacement

Standpipe And Dummy Plug Replacement

Theres a bunch of threads about it. Those 2 should cover it all though
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Old 02-17-2014, 08:34 PM
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Quote:
Originally Posted by NYC F-350 View Post
Dummy plugs and standpipe replacement

Standpipe And Dummy Plug Replacement

Theres a bunch of threads about it. Those 2 should cover it all though
Thank you.
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