Diagnostic Test
WARNING: This page is about a different car, the 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
- OTHER RELATED DTCS
- Turn the ignition on.
- With the scan tool, read DTCs.
Were there any fuel system or air handling sensor DTCs present?
Yes
- If this DTC is present along with any fuel system or air handling system sensor DTCs, repair those DTCs before proceeding.
- Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
No
- Go To 2.
- CHECK THE EXHAUST TEMPERATURE SENSORS
- Turn the ignition off for 10 minutes to allow the Exhaust Temperature Sensors to stabilize.
- Turn the ignition on, engine not running.
- With the scan tool check the temperature values of the Exhaust Temperature Sensors.
Are the Exhaust Temperature Sensors reading within 43°F of each other?
Yes
- Go To 3.
No
- Replace the Exhaust Temperature Sensor that is out of range as compared to the others.
- Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
- CHECK THE ENGINE PERFORMANCE
- Perform the CHECKING ENGINE MISFIRE / RUNS ROUGH / PERFORMANCE TEST diagnostic procedure. Refer to Diagnosis and Testing , 6.7L
.
Were any problems found?
Yes
- Perform the appropriate repair.
- Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
No
- If DTC P1451 is present, perform a scan tool initiated regeneration of the aftertreatment system. If DTC P1451 is not present, replace the DOC/DPF assembly in accordance with the service information.
- Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
- Perform the CHECKING ENGINE MISFIRE / RUNS ROUGH / PERFORMANCE TEST diagnostic procedure. Refer to Diagnosis and Testing , 6.7L
.