PROBLEM anyone chime in and help me out - Ford Powerstroke Diesel Forum
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post #1 of 7 Old 09-20-2009, 09:01 AM Thread Starter
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PROBLEM anyone chime in and help me out

well i was driving and noticed my egrs were LOW, when i would let off the gas they would raise a little but driving they kept changing from 140 to 300s to 200s etc, checked the codes and got...

dtc code= po4od egr
temp sensor a circuit high

dtc code=p1000 obd system readness

what might these mean?......do i need a new sensor or do i need to reset my tune? and can i drive the truck without hurting it ....it just fell limp like slower then stock..and help would be appreciated..........

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post #2 of 7 Old 09-20-2009, 09:15 AM
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mine did that and it needed a new map sensor
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post #3 of 7 Old 09-20-2009, 09:19 AM Thread Starter
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which sensor is that exactly?......and if ya know where i can get one that would be great.....its prob not best to drive the truck is it?

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post #4 of 7 Old 09-20-2009, 09:22 AM
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i would try to rest your tune first
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post #5 of 7 Old 09-20-2009, 09:58 AM Thread Starter
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im going to let it rest for a few hours and load another tune and hope for the best i have about 45 miles to drive home so hopefully nothing to bad happens in 45 miles haha im kinda lost at the moment not sure what to do

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post #6 of 7 Old 09-20-2009, 10:03 AM
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Originally Posted by jeff71 View Post
which sensor is that exactly?......and if ya know where i can get one that would be great.....its prob not best to drive the truck is it?
The manifold absolute pressure sensor. On your truck I am not sure were it is located.

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post #7 of 7 Old 09-20-2009, 10:54 AM
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Originally Posted by RRonning1984 View Post
The manifold absolute pressure sensor. On your truck I am not sure were it is located.
If you open you hood its on the left side of the engine in the valley underneth you intake tube.
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