Ford Ranger Owner's Manual page 326

Continue to drive the vehicle in city traffic at speeds
6.
between 25 and 40 mph (40-64 km/h) (manual transmissions
primarily drive vehicles in 3rd and 4th gear when possible)
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 three different speeds to do 1.5 minute steady state
throttle drives.
Accelerate the vehicle up to between 45 and 60 mph
7.
(72-97 km/h) (manual transmissions upshift to 5th gear).
This should take approximately 8 seconds.
Drive vehicle and hold the throttle steady at the selected
8.
speed between 45 and 60 mph (72-97 km/h) (manual
transmissions use 5th gear) for approximately 5 minutes.
Drive the vehicle for 5 minutes at varying speeds between 45
9.
and 60 mph (72-97 km/h) (manual transmissions use 5th
gear).
Bring the vehicle back to idle. Idle in drive (manual
10.
transmissions use 5th gear) for 40 seconds.
OBD II drive cycle has been completed. Vehicle can be
11.
turned off when convenient.
Servicing Your Ranger
327