F 150 Heritage 4WD Pickup V8-5.4L CNG VIN M (2004)
7. Disconnect the electrical connector of the affected sensor.
8. CAUTION: Use care not to induce contamination in the form of dirt or foreign material when removing either of the sensors.
If necessary, remove the Turbine Shaft Speed (TSS) sensor.
1
Remove the bolt.
2
Remove the TSS.
9. Position the Heated Oxygen Sensor (HO2S) connector aside.
10. If necessary, remove the Output Shaft Speed (OSS) sensor.
1
Remove the bolt.
2
Remove the OSS.
Installation
