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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2090 (Engine Controls - Powertrain DTC Charts And Descriptions (Except Diesel & Hybrid)) >> DTC Diagnosis >> P0130 - O2 Circuit (Bank 1, Sensor 1)

P0130 - O2 Circuit (Bank 1, Sensor 1)

WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2008 Mercury Sable, 2008 Mercury Mountaineer, 2008 Mercury Milan, 2008 Mercury Mariner, and 2008 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
P0130 - O2 CIRCUIT (BANK 1, SENSOR 1)

Description:  The powertrain control module (PCM) monitors the heated oxygen sensor (HO2S) for a circuit concern. The test fails when the PCM detects a concern with one of the circuits used to determine the oxygen content in the exhaust gas.
Possible Causes: 
  • Open UO2S circuit
  • Open UO2SGREF circuit
  • 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   - refer to PINPOINT TEST DZ . refer to PINPOINT TEST DZ .
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