Marisa 3/30/2012

2002 Ford Escape XLT 6Cyl3.0L - Engine

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Code 0136 oxygen sensor 2. How serious is it to fix?

Ck engine lite came on. Had someone run code checker. Came up w p0136. How serious is it to fix? Can I do it my self?

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  EG9 K20A3 3/30/2012

  A code P0136 may mean that one or more of the following has happened:
  
  * Faulty O2 sensor leak in exhaust close to O2 sensor
  * Short to voltage on O2 signal circuit
  * Open in circuit resistance caused by corrosion in connector
  
  Possible Solutions
  
  * Replace the second oxygen sensor on bank 1
  * Repair open or short in signal circuit
  * Clean corrosion from connector
  

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