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Old 04-20-2006, 09:32 PM
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I have a 2001 F350 7.3 psd just replaced cps,icps,and ipr valve engine still dies and i keep getting code 1211 any ideas would be apreciated thanks
 
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Old 04-20-2006, 09:43 PM
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I'm sure you've done the basics but this is what Mitchell On Demand states as some possible causes of the P1211 code:

Low Reservior Oil Level
Poor Oil Quality
Injector "O" Ring leak
Faulty IPR valve (Looks like you've already replaced that)
Faulty Oil Pressure Pump
Faulty PCM

Sorry couldn't help you out more.
 
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Old 04-20-2006, 09:46 PM
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What mods does your truck have?
 
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Old 04-20-2006, 10:02 PM
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Old 04-20-2006, 10:05 PM
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Why did you replace all of the other items? Were you having problems/codes before?
 
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Old 04-21-2006, 05:54 AM
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...Welcome psdiesels rule to Ford Truck Enthusiasts!

We are happy you have chosen the best source for Fords.

Enjoy FTE....and
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Old 04-21-2006, 06:56 AM
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Originally Posted by psdiesels rule
I have a 2001 F350 7.3 psd just replaced cps,icps,and ipr valve engine still dies and i keep getting code 1211 any ideas would be apreciated thanks
P1211 = ICP pressure above/below desired : IPR valve failed, stuck, or shorted to ground

But... you said you already replaced the IPR valve.

What level is your oil at in your crank case? Give the dipstick a check.
 
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Old 04-21-2006, 07:36 AM
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Yeah, and change the oil if you haven't done so recently. There has been documented cases here on FTE where an oil change cured the problem.
If that doesn't do the trick, given what you've replaced already, I would be thinking worn out HPOP.
 
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Old 04-30-2006, 11:02 PM
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Thank's for all the help turned out the nut that holds the sensor on the shaft was striped so sensor was ratteling on shaft replaced nut torqued it down runs great now.
 
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Old 04-30-2006, 11:13 PM
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Originally Posted by psdiesels rule
Thank's for all the help turned out the nut that holds the sensor on the shaft was striped so sensor was ratteling on shaft replaced nut torqued it down runs great now.
Glad you found your problem and letting us know. Might save others some expensive trial and error repairs when a loose nut is all it is.
Welcome to FTE...
 
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Old 04-30-2006, 11:33 PM
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Which sensor was that?
 
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Old 04-30-2006, 11:55 PM
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Originally Posted by Tenn01PSD350
Which sensor was that?
Guess I should have ask that to. I thought it was the ICP sensor, but looking back I'm not sure about being mounted on the "shaft".
Maybe psdiesels rule will jump in and help us.
 
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Old 05-01-2006, 03:46 AM
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Yes, please share with us exactly which sensor it was... good to know for future reference.
 
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Old 05-01-2006, 06:26 AM
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The ipr is on the back side of your hpop. If you look down the back it is to the drivers side of the truck. It has an elctro magnet (i think) mounted over a shaft which houses the gut of the ipr. It is held on with a tin nut. I have changed mine to so tahts how i know this. Hope this helps
 
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Old 05-01-2006, 07:56 AM
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I've looked down there before on my '99 for the tin nut and saw a plug instead. I'll have to look again today. It's on the end of the IPR?
 
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