Other Changes:

WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2004 Mercury Sable, 2004 Mercury Mountaineer, 2004 Mercury Monterey, 2004 Mercury Marauder, and 2004 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.

Harley Davidson truck deletes 5.4L SC, adds 6.8L
Existing F -150 renamed F-150 Heritage
Mustang 3.8L deleted mid year, replaced with 3.9L
4.2L in E-Series deleted
Taurus/Sable use new PCM with CAN communication protocol
Explorer/Mountaineer will have Electronic Throttle Control (ETC), and new PCM with CAN communication protocol