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Author Topic: 7.3 Powerstroke Help  (Read 3109 times)

Offline huntnphool

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Re: 7.3 Powerstroke Help
« Reply #15 on: October 15, 2019, 12:28:45 PM »
Ok then its beyond me - the only time mine has died in 20years / 350,000 miles it was the fuel bowl heater shorted and blew that fuse

Ya before this happened, the only time mine had died was when the fuel bowl shorted and blew the fuse..

Also I have been stalling on replacing my glow plugs, on cold mornings it takes a few cycles to fire up but always has... usually have a SES light turn on following cold/hard start that will eventually turn off after I drive 5-10 minutes.... gutless while the light is on but as soon as it turns off you can feel full power come back. I was hoping the SES light and lack of power were due to glow plugs being bad, but not sure a bad glow plug or 2 would throw the SES light...? Also didnít think my glow plug issues would effect the truck for 10-15 minutes after it was running..  so that had me thinking possible bad injector or O-ring...?  I think these are unrelated to my no start/no smoke out the pipe issues but not 100% sure especially if itís an injector....???

 How many miles? Itís likely injector time. ;)

 Does it fire right up if plugged in at night?

Yes if plugged in it fires up great. Well it did before this...

 If the injectors have not been replaced it sounds time. :twocents:
The things that come to those who wait, may be the things left by those who got there first!

Offline TommyH

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Re: 7.3 Powerstroke Help
« Reply #16 on: October 15, 2019, 12:35:04 PM »
220k. When I bought it @ 195k the guy had said the injectors had been tested and new orings.. but no paperwork to confirm that.

Ah yes true on the harness, mine would run but only one side

Is it chipped?

Not chipped... yet. Plan to tho.

Offline RockChuck

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Re: 7.3 Powerstroke Help
« Reply #17 on: October 15, 2019, 12:41:41 PM »
https://www.ford-trucks.com/forums/forum170/

Maybe I missed the year but this site seems to have a lot of good info

Offline TommyH

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Re: 7.3 Powerstroke Help
« Reply #18 on: October 15, 2019, 01:11:16 PM »
https://www.ford-trucks.com/forums/forum170/

Maybe I missed the year but this site seems to have a lot of good info

Itís a 99.
Thanks everyone for the replies, Iíd really like to get this back on the road! Itís hunting season!

Offline spoonman

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Re: 7.3 Powerstroke Help
« Reply #19 on: October 15, 2019, 01:41:49 PM »
Have you checked the camshaft position sensor? I keep one in my glove box as they are known to fail.


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Offline TommyH

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Re: 7.3 Powerstroke Help
« Reply #20 on: October 15, 2019, 01:46:06 PM »
Have you checked the camshaft position sensor? I keep one in my glove box as they are known to fail.

Yes I started with replacing that first as it was the cheapest and known to fail.  But (I knew better) I didnít buy the OEM and picked up one from autozone...

Yes that was my first purchase.

Offline huntnphool

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Re: 7.3 Powerstroke Help
« Reply #21 on: October 15, 2019, 02:31:09 PM »
220k. When I bought it @ 195k the guy had said the injectors had been tested and new orings.. but no paperwork to confirm that.

Ah yes true on the harness, mine would run but only one side

Is it chipped?

Not chipped... yet. Plan to tho.

 Tested is not the same as replaced. My money is on your injectors as to why itís difficult to start when cold. ;)
The things that come to those who wait, may be the things left by those who got there first!

Offline jeffitz

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Re: 7.3 Powerstroke Help
« Reply #22 on: October 15, 2019, 02:58:09 PM »
Mine was a joke to start cold until i replaced injectors - now its good as new.
If you're gonna be dumb,you gotta be tough.

Offline jackelope

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Re: 7.3 Powerstroke Help
« Reply #23 on: October 15, 2019, 03:06:54 PM »
Where are you located?
:fire.:

" In today's instant gratification society, more and more pressure revolves around success and the measurement of one's prowess as a hunter by inches on a score chart or field photos produced on social media. Don't fall into the trap. Hunting is-and always will be- about the hunt, the adventure, the views, and time spent with close friends and family. " Ryan Hatfield

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Offline longshaft

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Re: 7.3 Powerstroke Help
« Reply #24 on: October 15, 2019, 03:13:32 PM »
Crankshaft position sensor it will shut your truck off like you turn the key off I have been through this twice

Offline jackelope

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Re: 7.3 Powerstroke Help
« Reply #25 on: October 15, 2019, 03:16:11 PM »
Crankshaft position sensor it will shut your truck off like you turn the key off I have been through this twice

He's already replaced it.

Also there are multiple potential causes for this. You could diagnose the problem and replace the failed part or you could throw parts at it till you fix it.

Profile says eastside. If that's east side of the mountains, I can't help. If that's eastside like Bellevue Redmond etc I can probably help. Shoot me a message.
:fire.:

" In today's instant gratification society, more and more pressure revolves around success and the measurement of one's prowess as a hunter by inches on a score chart or field photos produced on social media. Don't fall into the trap. Hunting is-and always will be- about the hunt, the adventure, the views, and time spent with close friends and family. " Ryan Hatfield

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Offline RockChuck

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Re: 7.3 Powerstroke Help
« Reply #26 on: October 15, 2019, 03:20:24 PM »
I think he said NE wa earlier

Offline jackson7

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Re: 7.3 Powerstroke Help
« Reply #27 on: October 15, 2019, 03:24:22 PM »
Sob, just wrote and for some reason did not post.
Had a similar issue with shutting off and glow plugs. Also my mileage dipped.
Replaced the cam position sensor with a non OEM. It helped but would still happen once in a while. Always wondered if it were to happen at high speed. Once shut down as i am crossing a creek bed on a wooden bridge. Scared the heck out of me as, it was all ice. I got lucky.
Replaced with an OEM sensor and no problems since. Good luck.Let us know how it turns out.

Offline jackelope

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Re: 7.3 Powerstroke Help
« Reply #28 on: October 15, 2019, 04:38:34 PM »
I think he said NE wa earlier

Ya...just have to slow down and read. Thanks.
:fire.:

" In today's instant gratification society, more and more pressure revolves around success and the measurement of one's prowess as a hunter by inches on a score chart or field photos produced on social media. Don't fall into the trap. Hunting is-and always will be- about the hunt, the adventure, the views, and time spent with close friends and family. " Ryan Hatfield

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Offline slowhand

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Re: 7.3 Powerstroke Help
« Reply #29 on: October 15, 2019, 06:07:03 PM »
Put 5 gallons of diesel in each tank. Very possible your out of fuel or the tank didnít switch. Cheap and very very possible
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