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Home >> Lincoln >> 2012 >> MKZ Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Controls - Powertrain DTC Charts & Descriptions (Hybrid)) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> DTC P0130: O2 Circuit (Bank 1, Sensor 1)

DTC P0130: O2 Circuit (Bank 1, Sensor 1)

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P0130 - O2 CIRCUIT (BANK 1, SENSOR 1)

Description:  This DTC sets when the PCM detects a concern with one of the circuits used to determine the oxygen content in the exhaust gas.
Possible Causes: 
  • UO2S circuit open
  • UO2SGREF circuit open
  • UO2S circuit short to voltage or ground
  • UO2SGREF circuit short to voltage or ground
  • UO2SPC circuit short to voltage or ground
  • UO2SPCT circuit short to voltage or ground
  • Damaged universal HO2S
Diagnostic Aids: 
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST DZ .
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