Emissions Drive Cycle
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Joined: Apr 2011
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Emissions Drive Cycle
Hi Guys,
Was hoping someone here could help me here, Have been looking everywhere for the drive cycle on this 99 Super Duty 5.4L. We just built the motor not long ago and is ready foe emissions...Seems AZ has changed the way there doin things, Their checking monitor status...Know we have an issue there.
Any help would be "Greatly " appreciatied. Thanks Rand
Was hoping someone here could help me here, Have been looking everywhere for the drive cycle on this 99 Super Duty 5.4L. We just built the motor not long ago and is ready foe emissions...Seems AZ has changed the way there doin things, Their checking monitor status...Know we have an issue there.
Any help would be "Greatly " appreciatied. Thanks Rand
Elder User
Joined: Nov 2008
Posts: 668
Likes: 6
From: Northfield, MI
There are multiple drive cycles, but the "basic" one is:
OBD II Drive Cycle
Note: The IAT PID must be between 10-38°C (50-100° F) during the OBD II drive cycle to enter into all the OBD II monitors. The FLI PID must be between 15% and 85% at all times.
Drive in stop-and-go traffic with at lease 4 idle periods (30 seconds each) while observing the status of the OBD II monitor on the scan tool. If the exhaust gas recirculation (EGR), heated oxygen sensor (HO2S), evaporative emission (EVAP), secondary air (AIR) (if applicable) or catalyst efficiency monitor have not completed, drive on the highway at a constant speed over 64 km/hr (40 mph) not to exceed 104 km/hr (65 mph) for up to 15 minutes. Heavy accelerations, sudden decelerations and wide open throttles are not recommended. If the scan tool sends out a three pulse beep at any time, the OBD II drive cycle has completed.
Note: Vehicles equipped with the EVAP purge flow system or EVAP vapor management flow system monitor do not require EVAP monitor completion to clear the DTC P1000 (refer to Section 1 for each monitor description).
If the exhaust gas recirculation (EGR), heated oxygen sensor (HO2S), evaporative emission (EVAP), secondary air injection (AIR) (if applicable) or catalyst efficiency monitor has not completed, perform the corresponding monitor verification drive cycle in this section.
Bring the vehicle to a stop and retrieve Continuous Memory DTCs to verify the DTC P1000 has been erased. Refer to Section 3 , PCM Quick Test QT1.
OBD II Drive Cycle
Note: The IAT PID must be between 10-38°C (50-100° F) during the OBD II drive cycle to enter into all the OBD II monitors. The FLI PID must be between 15% and 85% at all times.
Drive in stop-and-go traffic with at lease 4 idle periods (30 seconds each) while observing the status of the OBD II monitor on the scan tool. If the exhaust gas recirculation (EGR), heated oxygen sensor (HO2S), evaporative emission (EVAP), secondary air (AIR) (if applicable) or catalyst efficiency monitor have not completed, drive on the highway at a constant speed over 64 km/hr (40 mph) not to exceed 104 km/hr (65 mph) for up to 15 minutes. Heavy accelerations, sudden decelerations and wide open throttles are not recommended. If the scan tool sends out a three pulse beep at any time, the OBD II drive cycle has completed.
Note: Vehicles equipped with the EVAP purge flow system or EVAP vapor management flow system monitor do not require EVAP monitor completion to clear the DTC P1000 (refer to Section 1 for each monitor description).
If the exhaust gas recirculation (EGR), heated oxygen sensor (HO2S), evaporative emission (EVAP), secondary air injection (AIR) (if applicable) or catalyst efficiency monitor has not completed, perform the corresponding monitor verification drive cycle in this section.
Bring the vehicle to a stop and retrieve Continuous Memory DTCs to verify the DTC P1000 has been erased. Refer to Section 3 , PCM Quick Test QT1.
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