Ford 1996 Thunderbird Manual page 286

7. Accelerate the vehicle up to between 45 and
60 mph (70-100 km/h). This should take
approximately 5 minutes.
8. Drive vehicle and hold the throttle steady at
the selected speed between 45 and 60 mph
(70-100 km/h) for approximately 5 minutes.
9. Drive the vehicle for 5 minutes at varying
speeds between 45 and 60 mph
(70-100 km/h).
10. Bring the vehicle back to idle. Idle in Drive
for 40 seconds.
11. OBD II drive cycle has been completed.
Vehicle can be turned off when convenient.
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