Was Running, Idle Changed, Engine Died - Ford Powerstroke Diesel Forum
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  #1  
Old 09-22-2008, 02:56 AM
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Was Running, Idle Changed, Engine Died

Lemme start off with my rig: '01 F-250 EC, SB. This morning getting ready for work, I started my truck up with no problems. I usually let it idle while I have a smoke. As I was letting it idle, the idle changed & just didn't sound right. It idled funny for about 5min., & then all of a sudden died. I tried to start it back up & all it does is crank but doesn't turn over. The entire time, my TW was in the stock setting. The CPS was changed just before summer, it has plenty of fuel & oil, no fluids leaking, & as far as I can see(it's still kinda dark here), there's no bad electrical connections & the battery has plenty of juice. I haven't been able to check the fuel filter, as this will be my 1st area to check when the sun comes up. But I'm just wondering if anyone else has any ideas as to why she'd run fine & then deteriorate. I took it out for a ride @ about 10:00pm(et) last night & drove it for about an hour & it had no problems whatsoever. I let it idle when I came home, checked the fluids, then shut it off. WTF? Any help is appreciated in advance. Thanks!
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Old 09-22-2008, 03:23 AM
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Sounds like a classic CPS problem. Age doesn't matter, I have seen them go in 10 miles or last 300K. It should have set a code, have you scanned for codes? You should have a spare CPS , all 7.3 owners should, throw it in there and see what happens. Check UVC harnesses and verify fuel pressure when key on and drain valve open. If al of this checks out I would want to monitir ICP pressure and fuel pressure while cranking and you will need the AE software for that.

NCH
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Old 09-22-2008, 06:06 AM
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Quote:
Originally Posted by NCHornet View Post
Sounds like a classic CPS problem. Age doesn't matter, I have seen them go in 10 miles or last 300K. It should have set a code, have you scanned for codes? You should have a spare CPS , all 7.3 owners should, throw it in there and see what happens. Check UVC harnesses and verify fuel pressure when key on and drain valve open. If al of this checks out I would want to monitir ICP pressure and fuel pressure while cranking and you will need the AE software for that.

NCH
Here's what I have for codes. Keep in mind, though, I had to enter it as an '00, because I only have software for the MT2500 up to '00. I'm not sure if it's going to make a difference, but here goes:

Continuous Memory
P1249 Wastegate CTRL valve perform
P1670 EF feedback signal not detected
P0603 Internal CTRL module KAM error
P1316 IDM codes detected
P0478 Exhaust pres CTRL valve high
P1211 ICP above/below desired(this code is probably from the TW)
KOEO
P1277 Cyl 7 (c) high to low side open

I also changed the ICP & CPS before I scanned for codes. After the install, it's doing the same thing.

Last edited by RadarRider; 09-22-2008 at 07:10 AM.
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Old 09-22-2008, 06:47 AM
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Pull the chip off and see if its still doing it, then trouble shoot from there.
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Old 09-22-2008, 06:54 AM
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Quote:
Originally Posted by twildman View Post
Pull the chip off and see if its still doing it, then trouble shoot from there.
Ok. I pulled the chip out & tried starting. It's still doing the same thing, Tony. I'll see what I can find out.
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Old 09-22-2008, 07:26 AM
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check pm's
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Old 09-22-2008, 07:38 AM
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Clear the codes and retest. Don't worry about the mt2500 and the years, very little changed to '03. You should be able to read all PIDs.

The P1670 and 1316 concern me the most.
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Old 09-22-2008, 07:42 AM
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Originally Posted by Dirk View Post
Clear the codes and retest. Don't worry about the mt2500 and the years, very little changed to '03. You should be able to read all PIDs.

The P1670 and 1316 concern me the most.
I'm in the process right now. Why do P1670 & P1316 concern you(I'm VERY curious!!!)?
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Old 09-22-2008, 07:44 AM
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Check the fuel heater to make sure it didn't short, check all the fuses.
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Old 09-22-2008, 07:45 AM
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Those tell me that you have an issue (electrical) with the IDM or harness. I've seen a random CPS cause these issues also.

Use your mt2500 to run a buzz test. Run the test 2 or 3 times cold. Then hot if at all possible. with the 2 codes above, I'm not sure it will complete the test tho..
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