Pinpoint Test DZ: Universal Heated Oxygen Sensor (HO2S): Notes
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2010 Mercury Milan, 2010 Mercury Mariner, 2010 Mercury Grand Marquis, 2010 Lincoln Town Car, and 2010 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Proceed to appropriate testing steps for DTC P0040 listed in FAULT CODE SETTING CONDITION table of fault code setting condition.
FAULT CODE SETTING CONDITION
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| Escape/Mariner 3.0L, E-Series 4.6L, E-Series 5.4L, Expedition, F-150, Flex, Fusion 3.0L, Milan 3.0L, MKS, MKT, Navigator, Taurus |
- | GO to PINPOINT TEST DZ . | - |
| All others | - | GO to PINPOINT TEST DW . | - |