Description And Operation: Engine: Notes
WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. However, it is still accessible from the selected car via links, so may be relevant.
The 3.9L and 4.2L engines have:
- a V-block with six cylinders and splayed crankpins.
- a distributorless ignition system.
- a multiport, sequential fuel injection (SFI) system.
- a variable length induction system (intake manifold runner control).
- overhead valves.
- hydraulic valve tappets for automatic lash adjustment.
- connecting rod parting faces that are unique with an interference fit.
- an engine dynamic balance shaft.