Crown Victoria V8-4.6L VIN W (2000)
Powertrain Control Module: Description and Operation
The PCM carries out the following functions:
^
accepts input from various engine sensors to complete the required fuel flow rate necessary to maintain a prescribed air/fuel ratio throughout the
entire operational range.
^
outputs a command to the fuel injectors to meter the appropriate quantity of fuel.
^
determines and compensates for the age of the vehicle and its uniqueness, also automatically senses and compensates for changes in altitude.