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

WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.

P0130 - O2 CIRCUIT (BANK 1, SENSOR 1)

For Vehicles With Universal HO2S
Description:	The powertrain control module (PCM) monitors the heated oxygen sensor (HO2S) for a circuit concern. 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:	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:
For Vehicles With HO2S (4-pin)
Description:	The powertrain control module (PCM) monitors the heated oxygen sensor (HO2S) for a circuit concern. 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:	HO2S circuit open SIGRTN circuit open Incorrect connections Damaged or corroded terminals Exhaust temperature significantly higher than expected Damaged HO2S
Diagnostic Aids:	Inspect the connectors for signs of damage, water ingress, or corrosion.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
Edge, Escape/Mariner 2.5L Automatic Transmission, Escape/Mariner 3.0L, E-Series 4.6L, E-Series 5.4L, Expedition, Explorer, F-150, Flex, F-Series Super Duty, Fusion 2.5L, Fusion 3.0L, Milan, MKS, MKT, MKX, Mustang, Navigator, Taurus	GO to PINPOINT TEST DZ .
All others	GO to PINPOINT TEST DW .