DTC P1131, P1151, P2195, P2196, P1697, P2198: Upstream Heated Oxygen Sensor (Ho2S) Not Switching

WARNING: This page is about a different car, the 2003 Mazda Tribute. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Upstream Heated Oxygen Sensor (HO2S) Not Switching Troubleshooting Procedure (1 Of 3)

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Fig 2: Upstream Heated Oxygen Sensor (HO2S) Not Switching Troubleshooting Procedure (2 Of 3)

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Fig 3: Upstream Heated Oxygen Sensor (HO2S) Not Switching Troubleshooting Procedure (3 Of 3)

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Fig 4: Upstream Heated Oxygen Sensor (HO2S) Not Switching Inspection Procedure (1 Of 6)

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Fig 5: Upstream Heated Oxygen Sensor (HO2S) Not Switching Inspection Procedure (2 Of 6)

Courtesy of FORD MOTOR CO.

Fig 6: Upstream Heated Oxygen Sensor (HO2S) Not Switching Inspection Procedure (3 Of 6)

Courtesy of FORD MOTOR CO.

Fig 7: Upstream Heated Oxygen Sensor (HO2S) Not Switching Inspection Procedure (4 Of 6)

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Fig 8: Upstream Heated Oxygen Sensor (HO2S) Not Switching Inspection Procedure (5 Of 6)

Courtesy of FORD MOTOR CO.

Fig 9: Upstream Heated Oxygen Sensor (HO2S) Not Switching Inspection Procedure (6 Of 6)

Courtesy of FORD MOTOR CO.