Diagnostic Test
WARNING: This page is about a different variant/trim than selected.
- READ AND RECORD DTCS AND ENVIRONMENTAL DATA - ERASE DTCS AND CHECK FOR THE DTC TO RETURN
- With the scan tool, read DTCs in all Electronic Control Units (ECUs) and record on the repair order.
- For future reference, run and save a vehicle Scan Report and all related recorded data.
- With the scan tool, erase all DTCs.
- Turn the ignition off for a minimum of 75.0 seconds.
- Turn the ignition on.
- Using the When Monitored and Set Conditions above and recorded data, operate the vehicle in the conditions that set the DTC.
- With the scan tool, read DTCs.
Did the DTC return?
Yes
- Go To 2
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT DTC .
- VISUALLY INSPECT THE AIR FILTER FOR DEBRIS OR RESTRICTION
- Turn the ignition off.
- Remove and inspect the Air Filter for soiling or excessive dirt and debris which may cause air flow restriction.
Were any of these problems found?
Yes
- Replace the Air Filter element in accordance with the Service Information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to 3.0L, POWERTRAIN VERIFICATION TEST .
No
- Go To 3
- CHECK FOR AN AIR RESTRICTION IN THE TURBOCHARGER INLET AIR SYSTEM
- Inspect all air intake, crankcase vent, charge air cooler and Turbocharger related tubes and hoses for damage, restrictions or poor connections or leaks.
- Inspect the exhaust system and related tubes for damage, restrictions or poor connections.
Were any problems found?
Yes
- Repair as necessary in accordance with the Service Information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to 3.0L, POWERTRAIN VERIFICATION TEST .
No
- Replace the Turbocharger assembly in accordance with the Service Information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to 3.0L, POWERTRAIN VERIFICATION TEST .