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P0471 Exhaust Pressure Sensor Range/Performance

my cel came on today with this code. i cleared code but do i need to take it into dealer or is this something that i can fix on my own??
 

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Discussion Starter #2
no one???? i called dealer this morning and the guy i talked to was rude and no help at all.
 

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Has the code reappeared. If not then I, just I would say you are fine.
 

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:welcome: Code 0471 is Exhaust press sensor range/perf. I would say you might have just had a temporary spike in the exhaust back pressure if you had gotten on it hard and let off in a hurry. Just reset it and do not worry for now. Without knowing anything more about your truck I can not tell you much more.
 

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the code has not reappeared although i have noticed that when going 60-70mph and letting off the gas it feels as though there is some sort of back pressure built up. it feels like the exhaust brake but not as strong.
 
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