F 250 4WD Super Duty V10-6.8L VIN Z CNG (2003)
1. CAUTION: Use care not to induce contamination in the form of dirt or foreign material when installing either of the sensors.
If removed, install the OSS.
1
Lubricate the O-ring and install the OSS.
2
Install the bolt.
2. Position the Heated Oxygen Sensor (H02S) connector back in place.
3. If removed, install the TSS.
1
Lubricate the O-ring and install the TSS.
2
Install the bolt.
4. Connect the electrical connector to the affected sensor.
