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post #1 of 5 Old 04-04-2013, 07:59 AM Thread Starter
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Help! P1211 Code

I have a 1999 F250 7.3 with 127,000 miles. It's used as my work truck and I had to get on it the other day and a "service engine" light came on. Read the code and P1211 popped up. "Injection Control Pressure (ICP) Not Controllable-Pressure Above/Below Desired". I don't feel like it's running any differently but I have only owned it for about 3 weeks so I don't know the truck that well. Thank you!
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post #2 of 5 Old 04-04-2013, 11:13 AM
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if it aint running bad it is prob just the icp sensor not the icp itself, any parts store should have one. is ok to run with it unless you have emissions/inspections

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post #3 of 5 Old 04-04-2013, 11:20 AM
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Originally Posted by dannanw View Post
if it aint running bad it is prob just the icp sensor not the icp itself, any parts store should have one. is ok to run with it unless you have emissions/inspections
I would alter that to read: it's okay to run it until you get a new sensor. Any sensor that throws codes means it feeds the ECM info it needs to run right. A faulty sensor may not hamper operation short term, but can lead to inefficient operation down the road.

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post #4 of 5 Old 04-04-2013, 11:26 AM
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correct, the pcm puts in a default value for it and keeps reading other sensors to make up for it...If a person HAD to it could be run like that for a good long while, good for it? no but not going to hurt it...

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post #5 of 5 Old 04-04-2013, 11:32 AM
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Originally Posted by dannanw View Post
If a person HAD to it could be run like that for a good long while, good for it? no but not going to hurt it...
That's all I'm saying. You can run your truck without an air filter, just so long as you're on the way to get a new one.

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