7.3 Died suddenly, no start - Ford Powerstroke Diesel Forum
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Old 10-24-2012, 08:33 AM
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Update with Data 7.3 Died suddenly, no start

Have a problem with my 2000 7.3 that I am at a loss for.

Was running perfectly, no issues.

Started it up, backed down the driveway, and it started missing, rattling and cel came on.

No power, and it died. Started once right after that, ran really badly, cel flashing? Would not start after that.

Now if I let it crank and pump throttle, it will stumble a couple times after cranking for a while but no start.
Here is what I checked.

Batteries fully charged.
Wts light works as normal.
Oil level perfect.
Fuel comes out of bowl drain under pressure when Key cycled.
Light white smoke when cranking.
New cps
No blown fuses
Wont start when plugged in.

Only have a cheap scanner, gets p1316 code

Won't start with icp unplugged. (But connector does have oil in it)
Really can't afford AE right now, looking for other ways to diagnose.

Any idea what to check next?

Last edited by hrspowr; 11-29-2012 at 08:45 AM.
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Old 10-24-2012, 08:45 AM
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Send a message via AIM to Nally7.3Powerstroke
You need to do a buzz test, check the IDM.
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Old 10-24-2012, 09:20 AM
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You could check the uvch but past that, you'll need something to monitor live data and perform tests

I made my Samsung SGH-I997 send this.
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Old 11-05-2012, 11:30 AM
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same symptoms

Hi
I just 2 hours ago experienced the same problem
I was wondering if you were able to figure it out yet?
Please let me know
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Old 11-06-2012, 09:51 AM
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No, haven't gotten anywhere yet. Just got a snap on mt2500 and y0ropriate cartridges from eBay, so will be running buzz test and monitoring icp when it gets here. Will update then.
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Old 11-06-2012, 10:23 AM
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Order in a re-manned ICP off eBay. Mine was like $60.

While you're doing that buzz test, you might as well to a cylinder contribution test. I was having issues with my IDM and it was causing stumbling. Never caused her to die though.
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Old 11-29-2012, 08:44 AM
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Ok, finally got my scanner and could do some tests.


Buzz test:

Got following codes.
p0273 Cyl 5 inj circuit low
p1271 Cyl 1 (A) High side to low side open
p1277 Cyl 7 (C) High side to low side open
p1275 cyl 5 (f) " " " " " \
p1293 High side open Bank #1 Right
p1294 High side open Bank #2 Left


ICP builds to over 2000 when cranking
ICP % builds to 39%

Does this sound like UVCH?
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Old 11-29-2012, 08:55 AM
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I am thinking UVCH. fairly easy to check too.
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Old 11-29-2012, 03:15 PM
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Check my thread, the oil in the connector may be causing the no start. Try cleaning it with carb cleaner. MY truck was going nuts the other day.

Great deal on an ICP sensor!!!
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Old 11-29-2012, 04:55 PM
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Yea, I tried unplugging the ICP with no luck. I am ready to pull the valve covers to check the UVCH, but have to wait for next day off.

Only thing that I'm hesitant of is I rarely see the clips causing a no start, usually just running bad.

Need to do the 50 cent mod anyway so that is next try!

I am leaning towards a bad IDM though.
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