1996 Ford F250 Owner's Manual - Page 375

4. 5. 6. Drive the vehicle with a steady throttle at 45 mph (72 km/h) for 30 seconds. Idle the vehicle in drive (neutral for manual transmissions) for 40 seconds. Continue to drive the vehicle in city traffic at speeds between 25 and 40 mph (40-64 km/h) for 15 minutes. During the 15 minute drive cycle the following modes must be achieved: a. at least 5 stop and idle modes at 10 seconds each b. acceleration from idles at 1/4 to 1/2 throttle position, and c. choose 3 different speeds to do 1.5 minute steady state throttle drives. 7. Accelerate the vehicle up to between 45 and 60 mph (72-97 km/h). This should take approximately 5 minutes. Drive vehicle and hold the throttle steady at the selected speed between 45 and 60 mph (72-97 km/h) for approximately 5 minutes. Drive the vehicle for 5 minutes at varying speeds between 45 and 60 mph (72-97 km/h). 8. 9. 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. 376