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OBD codes and diagnosis

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Old Jul 22, 2014 | 03:49 PM
  #1  
passportsf's Avatar
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4wd Low
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Default OBD codes and diagnosis

2001 Discovery II with 88,500 miles. SES light came on two days ago. Was in for servicing less than two months ago. Per my OBD, I have the following codes:

P0133
P1412
P0420
P1415

Any input on what problem(s) these four codes indicate?
 
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Old Jul 22, 2014 | 04:01 PM
  #2  
dusty1's Avatar
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From: dallas texas
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exhaust, 02 sensor, and secondary air injection (not in that order)
I'd check for exhaust leaks and make sure all hoses are good with no leaks at the sai pump
 
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