Stalling, running rough, no power, SES light coming on - Ford Powerstroke Diesel Forum
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  #1  
Old 02-10-2014, 11:23 AM
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Stalling, running rough, no power, SES light coming on

Started doing this a couple days ago. She will run fine for while & then all of a sudden will start running like crap. No power at all, will not idle & will stall & SES will come on but not all the time. Sometimes it will work fine until I get on the highway & kick her down & she doesn't have the power it should. Feels like a plugged D2 filter but I run a 2 tank WVO system & it does it on WVO as well. I did have the WIF light come on a couple weeks ago & I drained the D2 filter & it hasn't come on since.

I borrowed my buddies scan tool & it didn't find any codes. He told me that scan tool had been acting up & that may be why it didn't pick up any codes. So I got one of those code readers that you can use your smart phone to check codes for Christmas so I go that working & checked for codes & that found none. How can the SES light come on & 2 code readers not pick up any codes??

Anyway it acts like it could be UVCH. I did do GP's a couple weeks ago so It's possible I may disturbed the UVCH plug & it may have worked itself free. I should have done the 50 cent mod when I did GP's but stupid me forgot about it.

Just wondering what else it could be?
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Old 02-10-2014, 11:52 AM
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I guess a better question would be what could these symptoms & NOT throw a code?
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Old 02-10-2014, 11:56 AM
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the readers your using aren't diesel specific...get ae/snap on level scanner that'll tell you better...

just saying that is sad...I miss the days of carbs
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Old 02-10-2014, 06:36 PM
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For what it takes I would pull it apart and 50 cent the UVCH connectors.
That's (almost) for sure what it is, normal code readers can't read injector codes
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Old 02-11-2014, 03:55 AM
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Well before tearing things apart for possibly nothing I wanted to get the code. So I took it to my mechanic & paid for him to get it. He got p1209 Injector control pressure & p1211 ICP "higher/lower then normal". I read that ICP was a possible cause for my symptoms. I also read that if you up plug the ICP & you see oil on the connector that means the ICP is bad. I unplugged it & no oil. Looks fine to me. I also read that this could also be the IPR. How to I check the IPR??

Should I just go buy another ICP & see what happens or is there more things I can do/check first??
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Old 02-11-2014, 07:46 AM
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Try running without the ICP connected and see if there is any change.
An engine light will come on, but it'll go away once you plug it back in.
Could possibly be IPR as well based on the code.

I would still probably do the 50 cent mod first rather than throw $400 of ICP and IPR at it just to see though
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Old 02-12-2014, 04:58 AM
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you have one fuel pump for each tank or just one for both?
What are your EGT's during symptoms?
What is your engine oil level like?
whats your fuel pressure at during idle and at 2000 rpms?
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Old 02-12-2014, 04:22 PM
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Quote:
Originally Posted by erbilabuc View Post
you have one fuel pump for each tank or just one for both?
What are your EGT's during symptoms?
What is your engine oil level like?
whats your fuel pressure at during idle and at 2000 rpms?
I have 2 pumps. Oil level is fine. Fuel pressure gauge is not working. Not sure what the EGT's are. Never thought to check.

It was running rough & SES light came on tonight so I unplugged the ICP & it seemed to idle much better. Plugged it back in & idle stayed good. Does this confirm that it is the ICP? Can I drive it with the ICP unplugged?
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Old 02-12-2014, 05:09 PM
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Quote:
Originally Posted by simone0414 View Post
I have 2 pumps. Oil level is fine. Fuel pressure gauge is not working. Not sure what the EGT's are. Never thought to check.

It was running rough & SES light came on tonight so I unplugged the ICP & it seemed to idle much better. Plugged it back in & idle stayed good. Does this confirm that it is the ICP? Can I drive it with the ICP unplugged?
i can't comment on the ICP but I can tell you that when my d2 pump went bad it was pulling air into fuel lines, SES light would come on and off, EGT was high like 700 degrees farenheit doing like 20mph at about 900 rpm's and fuel pressure was in the 20's.
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Old 02-12-2014, 06:33 PM
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Quote:
Originally Posted by simone0414 View Post
I have 2 pumps. Oil level is fine. Fuel pressure gauge is not working. Not sure what the EGT's are. Never thought to check.

It was running rough & SES light came on tonight so I unplugged the ICP & it seemed to idle much better. Plugged it back in & idle stayed good. Does this confirm that it is the ICP? Can I drive it with the ICP unplugged?
Yes, you can drive around with the ICP unplugged for the sake of testing.
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