02 7.3 shutting down - Ford Powerstroke Diesel Forum

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post #1 of 23 Old 01-03-2013, 12:46 PM Thread Starter
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02 7.3 shutting down

I have a 02 7.3,It runs great for about 20-30 mins.Then it starts to shut down after it heats up good.Replaced fuel pump and cps.Can't figure this one out.Any help would be appreciated
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post #2 of 23 Old 01-03-2013, 03:04 PM
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when you say it starts shutting down are you saying it acts like it is running out of fuel and sputters then dies? or is it more like turning the key off?

do you have a scanner capable of watching live data like cps, icp, ipr etc...?

also what temp outside and how many miles on truck?

this all helps in giving a direction to start.

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post #3 of 23 Old 01-03-2013, 04:19 PM Thread Starter
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It acts like is starved for fuel.Runs great for the first 20-30 mins.then wham.I see its blowing blue smoke too so i'm assuming its a fuel issue.200,000 miles.Just not sure which other direction to take?Putting a fuel regulator on it now.
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post #4 of 23 Old 01-03-2013, 04:23 PM
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You're gonna wish you could monitor live data.
Could be a hpo issue since warm oil is thin. How does it restart when warm

I made my Samsung SGH-I997 send this.



2000 F-350 Lariat Super Duty, Dually, CCLB, 7.3L
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post #5 of 23 Old 01-03-2013, 04:29 PM Thread Starter
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It starts fine if i let it cool down a while.It'll act like its running out of fuel for quite a while.till it gets so bad ill pull over a shut it down.wait for 15-20 mins then off it'll go.Crazy,Can't figure this one out?
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post #6 of 23 Old 01-03-2013, 05:56 PM
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But what about restarting hot?

I made my Samsung SGH-I997 send this.



2000 F-350 Lariat Super Duty, Dually, CCLB, 7.3L
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post #7 of 23 Old 01-03-2013, 05:59 PM Thread Starter
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Same deal,Acts like it outta fuel.when i crank it hot.
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post #8 of 23 Old 01-03-2013, 06:09 PM
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These are heui injectors, so it may be a hpo issue, not fuel.
If it dies and won't restart hot then it's more likely to be a hpo leak.

I made my Samsung SGH-I997 send this.



2000 F-350 Lariat Super Duty, Dually, CCLB, 7.3L
4R100, 2wd
330,000 + miles
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post #9 of 23 Old 01-03-2013, 06:15 PM Thread Starter
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I can't find any leaks anywhere.HPOP full of oil,truck full of oil,Got me baffled
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post #10 of 23 Old 01-03-2013, 06:20 PM
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When it dies, unplug the IPR, and plug it back in. Then crank it.
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