1996 Ford Explorer Owner's Manual - Page 402

The engine must be warmed up and at operating temperature before proceeding with the drive modes of the following OBD II Drive Cycle. 1. Start the engine. Drive or idle (in neutral) the vehicle for 4 minutes. 2. Idle the vehicle in drive (neutral for automatic transmissions) for 40 seconds. 3. Accelerate the vehicle to 45 mph (72 km/h) (for manual transmissions upshift from 1st to 5th gear, but hold in 2nd for at least 5 seconds) at 1/4 to 1/2 throttle for 10 seconds. 4. Drive the vehicle with a steady throttle at 45 mph (72 km/h) (manual transmissions use 5th gear) for 30 seconds. 5. Idle the vehicle in drive (neutral for manual transmissions) for 40 seconds. 6. Continue to drive the vehicle in city traffic at speeds 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. 402