Saab P1157 Lack Of HO2S22 Switch – Sensor Indicates Lean

Description

Possible causes
  • Pinched, shorted, and corroded wiring and pins.
  • Crossed sensor wires.
  • Exhaust leaks.
  • Contaminated or damaged sensor.

    • Symptoms
    – Engine Light ON (or Service Engine Soon Warning Light)
    P1157 Saab OBD Code Description

    The downstream HO2Ss are forced rich and lean and monitored by the PCM. The test fails if the PCM does not detect the output of the HO2S in a calibrated amount of time.

    P1157 Saab Information for specific makes
    P1157 Saab ACURA< Saab/span>
    P1157 Saab BUICK Saab
    P1157 Saab CADIL SaabLAC
    P1157 Saab CHEVR SaabOLET
    P1157 Saab FORD
    P1157 Saab GMC
    P1157 Saab HONDA

    The OBD2 Code Information Be Applicable For Saab:

    2012 Saab 9-5,2012 Saab 9-4X,2011 Saab PhoeniX Concept,2010 Saab 9-5 Sedan,2010 Saab 9-3,2010 Saab 9-3X,2008 Saab Turbo X,2008 Saab 9-X,2008 Saab 9-7X,2008 Saab 9-4X,2008 Saab 9-3,2008 Saab 9-3,2008 Saab 9-3,2006 Saab 9-7X,2006 Saab 9-5,2006 Saab 9-3,2005 Saab 9-5,2005 Saab 9-3,2005 Saab 9-2,2003 Saab 95,2003 Saab 93

     

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