Check engine light after exhaust manifold replacement

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May 13, 2011 | 07:32 PM
  #16  
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Quote:
Originally Posted by AdvanZ33
Just tried the key on key off, if I'm reading it right it flashed:
1-2. 2-1. 5-5.

Does that sound right?
code 21 search it
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May 13, 2011 | 07:33 PM
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prob o2 something
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May 13, 2011 | 07:36 PM
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Perfect. Thanks!
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May 14, 2011 | 10:01 AM
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Yup
21 Oxygen sensor signal out of range, possibly shorted
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