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2011 F250 multiple codes

 
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Old 08-30-2017, 07:21 AM
compq
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2011 F250 multiple codes

My 2011 F250 6.7 started throwing multiple codes a couple of weeks ago. I cleared them but they all came back at the same time. Any idea what these are pointing to? I'm assuming they're all related?

P0402 Exhaust gas flow excessive detection
P1249 Wastegate control valve performance
P0471 Exhaust pressure sensor A circuit range/performance

It throws 9 codes total, the three listed above, 3 times each. Any help is greatly appreciated.
 
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Old 08-30-2017, 08:01 PM
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check the wiring around the emergency brake area. There are some reports of people who use the e brake a lot that the wiring gets chaffed.
 
 
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