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.

ACTIVE DTC
NOTE:
If DTCs P0192, P0193, P0201, P0202, P0203, P0204, P0205, P0206, P0301, P0302, P0303, P0304, P0305, or P0306 are present, repair those DTCs before proceeding with this one.
1. Turn the ignition on.
2. With the scan tool check for active DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION - 6.7L .
CHECKING FOR A LEAKING FUEL INJECTOR
1. Turn the ignition off.
2. Remove the valve cover and check for loose valve cover harness wires at the injector terminals for the injector experiencing the DTC
  NOTE:
  The injector terminal nuts should be torqued to 8.8 in-lbs.
  
  Were any of the injector terminal nuts loose?
  
  Yes
  - Torque the loose injector terminal nuts to 8.8 in-lbs.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Go To 3
CHECKING FOR A LEAKING FUEL INJECTOR
1. With the scan tool, erase DTCs.
2. With scan tool, verify fuel level is above 15%. If not, add fuel, go to 3.
3. Start engine and operate vehicle until coolant temperature is above 140 degrees Fahrenheit.
  NOTE:
  It is important that the conditions in steps 2 and 3 are met for the test to function properly.
4. Operate vehicle at 50 mph and perform a zero fueling event (decel condition for 10 seconds, with foot off of accelerator pedal). Repeat 3-5 times.
5. With the scan tool, check for DTCs.
  Did the injector performance DTC return for the suspect injector and high pressure connector?
  
  Yes
  - Replace the fuel injector and high pressure connector.
  - 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 .