Crown Victoria V8-4.6L CNG SOHC VIN 9 (1999)
24.
Select TRIGGER.
25.
Turn the ignition key on.
26.
Select YES.
27.
The window will display the latest calibration.
28.
Select YES to modify the PCM parameters.
29.
Select OCTANE ADJUST.
30.
Select RETARD using the thumbwheel.
31.
Select START to activate octane adjust.
32.
The window should display PCM update successfully completed.
