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Old 07-22-2014, 07:32 AM
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what do you think ?? normal wear or....

I have an 03. 7.3 6sp motor isn't original it is a forged motor. Unsure of actual mileage but runs pretty strong I have a superchips tuner with straight exhaust, gauges and I've modified the factory intake system . When the truck is fired up in the morning after sitting all night I get the crank crank crank woom so to say like most powerstrokes do. Although it's not quite as powerful of the quick lite off. After she's warm and for the rest of the day I have a tad bit more of a crank and a much slower lite off when it starts. My question is..... Is this just a sign of well used injectors or could some of the seals be goin out and be fixed with a O-ring kit? Anyone else have this issue or have any experience with such issue? Thanks guys in advance you always help to better my knowledge.
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Old 07-24-2014, 09:46 AM
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Nobody??? Do I need to add more info ?
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Old 07-25-2014, 08:20 AM
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mine was a slow cranking motor until i rebuilt the seales and cleaned out the ipr sensor. and how many miles are on your oil change?
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Old 07-25-2014, 10:35 AM
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Quote:
Originally Posted by GORILLA BE STROKINNN View Post
mine was a slow cranking motor until i rebuilt the seales and cleaned out the ipr sensor. and how many miles are on your oil change?

till you rebuilt seales...? my thought was possibly one or two hell even more of the o-rings could be seeping causing the slow start when warm. its not necessarily slow to start just slow to fire off. i dont get that quick lite, it just lites off at the speed of the starter slowly. wow this is harder to explain than i ever thought! when its been sitting over night it fires up with that quick powerstroke burst that it should when its warm but even then it doesnt start like it should when there is no heat in the motor.
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Old 07-25-2014, 01:12 PM
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sorry "seals" on the ipr itself... check the voltage of your batteries and what is the ambient airtemp? could be alot of things. thought you meant first start of the day.
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Old 07-26-2014, 11:58 AM
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I switched from conventional rotella which I didn't even get 2k out of before I really started noticing drivability issues. I switched to T6 syn and within 2 miles I got my truck back it has never felt this good . Now to see if I can get some mileage out of this stuff. Faster starts, smoother, quieter idle , much more responsive . So far so good.
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Old 07-26-2014, 09:32 PM
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Honestly would consider rebuilding the ipr sensor. Can't hurt. There is a video on YouTube that shows how to do it. And if I were you I would try to get the ipr sensor puller socket. I used a 1 1/8" deep well impact socket from napa. It was the only socket deep enough to reach the base and not have the shaft of the ipr sensor get in the way. You could probably do it with a crowsfoot if you can find one.


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Old 07-27-2014, 04:17 AM
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Long cranking in the morning could be a slow leak from the check valve that fills the HPOP reservoir.

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Old 07-27-2014, 07:51 AM
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Ill look into the Ipr , since oil change its gotten a lot better . Still not what it should be. In the morning it does great , it's when it's warm that it doesn't have that quick fire . Which if the Ipr needs rebuilding and the oil gets thinner when warm makes sense .
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Old 07-27-2014, 10:02 AM
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When oil is warm and pressure is lower also means the pistons in the HPOP are getting worn out. Thinner oil gettin

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