DTC P0038, P0044, P0132, P0133, P0138, P0144, P0152, P0153, P0154: Upstream Heated Oxygen Sensor (Ho2S)

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 Troubleshooting Procedure (1 Of 2)

Courtesy of FORD MOTOR CO.

Fig 2: Upstream Heated Oxygen Sensor Troubleshooting Procedure (2 Of 2)

Courtesy of FORD MOTOR CO.

Fig 3: Upstream Heated Oxygen Sensor Inspection Procedure (1 Of 3)

Courtesy of FORD MOTOR CO.

Fig 4: Upstream Heated Oxygen Sensor Inspection Procedure (2 Of 3)

Courtesy of FORD MOTOR CO.

Fig 5: Upstream Heated Oxygen Sensor Inspection Procedure (3 Of 3)

Courtesy of FORD MOTOR CO.