Diagnostic Test

WARNING: This page is about a different car, the 2012 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.

CHECK THE EXHAUST TEMPERATURE SENSORS
1. Turn the ignition off for five minutes to allow the Exhaust Temperature Sensors to stabilize.
2. Turn the ignition on, engine not running.
3. With the scan tool check the temperature values of the Exhaust Temperature Sensors.
  Are the Exhaust Temperature Sensors reading within 6°C (43°F) of each other?
  
  Yes
  - Go To 2.
  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 FOR EXCESSIVE ENGINE OIL BEING INTRODUCED INTO THE AFTERTREATMENT SYSTEM
1. Remove the turbocharger outlet and inspect for signs of oil, fuel or moisture being introduced into the Aftertreatment system from the engine.
  Was engine oil, fuel or moisture found in the turbocharger exhaust outlet?
  
  Yes
  - Locate the cause of possible diesel fuel or engine oil being carried from the engine into the Exhaust system. Inspect the Exhaust for possible damage.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Go To 3.
CHECK ENGINE/FUEL SYSTEM PERFORMANCE
1. 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
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION - 6.7L .