Pilot 2006-2008

Air/Fuel Ratio Sensor

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Operation



Specific to:

Honda Pilot 2006-2008

This sensor senses the oxygen concentration in the exhaust gas then converts it into a voltage and sends it on to the PCM. The PCM controls fuel injection based on the signal so that the air fuel ratio is maintained at the theoretical ration.

Removal & Installation



Specific to:

Honda Pilot 2006-2008


NOTE
Be sure that you have the anti-theft codes for the audio system and navigation system, if equipped. Record the audio presets.

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Turn the ignition switch OFF.
  4.  
  5. Disconnect and isolate the negative battery cable. Wait 3 minutes for the system capacitor to discharge before performing any service.

    Click image to see an enlarged view

    Fig. Air fuel sensor and related components-front bank (bank two)



    Click image to see an enlarged view

    Fig. Air fuel sensor and related components-rear bank (bank one)

  6.  
  7. To remove the rear bank (bank one) sensor, remove the engine cover retaining screws. Remove the engine cover.
  8.  
  9. Disconnect the electrical connector.
  10.  
  11. Remove the component from its mounting, using a sensor removal tool.
  12.  

To install:

  1. Installation is the reverse of the removal procedure.
  2.  
  3. Tighten the sensor to 33 ft. lbs. (45 Nm).
  4.  

 
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