Diagnostic Test
WARNING: This page is about a different car, the 2014 RAM 3500 HD and 2014 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- OTHER DTCS
- Turn the ignition on, engine not running.
- With the scan tool, read DTCs.
Are any other injector/fuel pressure related DTCs present?
Yes
- Diagnose and repair all other injector/fuel pressure related DTCs before performing this diagnostic tree.
No
- Go To 2
- ACTIVE DTC
- With the scan tool, record all Freeze frame data.
- With the scan tool, erase DTCs.
- Turn the ignition off for 75 seconds.
- Operate the engine until the coolant temperature is above 82.2°C (180°F).
- With the scan tool, read DTCs.
Did DTC P0093 reset?
Yes
- Go To 3
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION - 6.7L .
- EXTERNAL FUEL LEAKS
- Put on personal protective equipment.
- Operate engine at idle when looking for fuel leaks.
- Use the scan tool to operate engine at a variety of engine speeds.
Any external leaks detected?
Yes
- Repair or replace component with external fuel leak.
- Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
No
- Go To 4
- CHECK THE FUEL DELIVERY SYSTEM
- Refer to DIAGNOSIS AND TESTING, 6.7L
and perform the CHECKING THE FUEL DELIVERY SYSTEM diagnostic procedure.
Were any problems found?
Yes
- Repair as necessary.
No
- Replace the Powertrain Control Module in accordance with the Service Information. Refer to REMOVAL .
- Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
- Refer to DIAGNOSIS AND TESTING, 6.7L
and perform the CHECKING THE FUEL DELIVERY SYSTEM diagnostic procedure.