News Technical Service Bulletins

Exhaust Sensor Issue with Ford F-Super Duty

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This bulletin applies to some 2008-2010 Ford F-Super Duty trucks.

Some 2008-2010 Ford F-Super Duty trucks equipped with a 6.4L diesel engine and built on or before Nov. 1, 2009, may exhibit a diagnostic trouble code (DTC) P040D related to the exhaust gas recirculation temperature (EGRT) sensor located in the right-hand turbocharger inlet pipe.

1. Using a scan tool, verify the DTC.

2. Turn the ignition switch to the off position.

3. Remove the right-hand fender splash shield.

4. Disconnect the glow plug module electrical connectors.

5. Disconnect the inlet EGRT sensor electrical connector.

6. Cut the wire just above the sensor.

7. Apply heat to the sensor mounting boss.

8. Using a 14mm, 6-point deepwell socket, remove the sensor. Using an open-end wrench is not recommended.

9. Install a new EGRT sensor part number (P/N) 8C3Z-12B591-E. Apply a small amount of Motorcraft high-temperature nickel anti-seize lube to the threads of the new sensor and tighten to 32 ft-lb.

10. Connect the EGRT sensor electrical connector.

11. Connect the glow plug module connectors and reinstall the fender splash shield.

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