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Error Code help P1131

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Old Dec 16, 2010 | 08:31 PM
  #1  
djpahan's Avatar
djpahan
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Junior User
Joined: Aug 2010
Posts: 91
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From: Seattle area
Error Code help P1131

Got Engine Service Soon light and when connected OBDI got following

P1131
Lack of H02S11
Switches - Sensor
Indicated Lean

Any ideas?

Thanks

Paul
99 F250 6.8 2WD
141k
 
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Old Dec 16, 2010 | 08:46 PM
  #2  
jc8825's Avatar
jc8825
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Joined: Jul 2010
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From: Fort Worth
Driver side cylinder bank is running lean. Probably a dirty MAF sensor. Clean that and see if the code goes away.
 
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Old Dec 16, 2010 | 11:34 PM
  #3  
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djpahan
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From: Seattle area
Thanks. I will try that tomorrow.
 
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Old Feb 11, 2011 | 08:13 PM
  #4  
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99f350sd
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From: Lyndonville, Vermont
Club FTE Silver Member

Any answers I have the same code?
 
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Old Feb 13, 2011 | 10:37 PM
  #5  
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D_Dillen
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Joined: May 2010
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From: seattle,WA
Dirty maf sensor. Clean it with the proper cleaner real good.that's the cheap place to start before going into injectors and such
 
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