Diagnostic Test

WARNING: This page is about a different car, the 2011 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.

OTHER DTC
1. Turn the ignition on.
2. With the scan tool, read DTCs.
  Are there any other O2 Sensor related DTCs present?
  
  Yes
  - Repair other O2 Sensor related DTCs first.
  No
  - Go To 2.
ACTIVE DTC
1. Turn the ignition on.
2. With the scan tool, record all Freeze frame data.
3. With the scan tool, erase DTCs.
4. Turn the ignition off for 75 seconds.
5. Start the engine and drive the vehicle at 50 MPH. Perform a zero fueling event (decel condition for 10 seconds, with foot off of accelerator pedal). Repeat 3-5 times.
6. With the scan tool, read DTCs.
  Did the DTC return?
  
  Yes
  - Go To 3.
  No
  - Repair complete.
  - Perform the INTERMITTENT CONDITION - 6.7L test procedure. Refer to INTERMITTENT CONDITION - 6.7L .
OXYGEN SENSOR SOOTED
1. Remove the O2 Sensors.
2. Carefully clean the soot from the O2 Sensor.
  NOTE:
  Do not tap or bang the sensor to remove loose debris. This will damage the sensor.
3. Reinstall the O2 Sensors.
4. With the scan tool, erase DTCs.
5. Turn the ignition off for 75 seconds.
6. Start the engine and drive the vehicle at 50 MPH. Perform a zero fueling event (decel condition for 10 seconds, with foot off of accelerator pedal). Repeat 3-5 times.
7. With the scan tool, read DTCs.
  Did the DTC reset?
  
  Yes
  - Replace both O2 Sensors in accordance with the service information.
  - Go To 4.
  No
  - Repair complete.
  - Perform the POWERTRAIN VERIFICATION TEST TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
INSPECT THE AFTERTREATMENT SYSTEM
1. Perform the AFTERTREATMENT INSPECTION GUIDELINE procedure. Refer to Diagnosis and Testing , 6.7L .
  Were any problems found?
  
  Yes
  - Perform the appropriate repair.
  - Perform the POWERTRAIN VERIFICATION TEST TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Go To 5.
OXYGEN SENSOR MODULE
1. With the scan tool, erase DTCs.
2. Turn the ignition off for 75 seconds.
3. Start the engine and drive the vehicle at 50 MPH. Perform a zero fueling event (decel condition for 10 seconds, with foot off of accelerator pedal). Repeat 3-5 times.
4. With the scan tool, read DTCs.
  Did the DTC reset?
  
  Yes
  - Replace the O2 Sensor Module in accordance with the service information.
  - Perform the POWERTRAIN VERIFICATION TEST TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Repair complete.
  - Perform the POWERTRAIN VERIFICATION TEST TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .