LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 209 (Engine Control System (DTC/Circuit Diagnosis) (CUMMINS 5.0L) (3 Of 6)) >> DTC/Circuit Diagnosis >> DTC P054E-00: Idle Fuel Quantity Lower Than Expected >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DTC PRIORITY 
    1. Turn ignition switch ON.
    2. Connect CONSULT and check for "ENGINE" diagnostic trouble codes.
    3. Check for DTC P054E-00 being current on the CONSULT screen.

    Is applicable DTC detected?

    YES

    GO TO 2 .

    NO

    Refer to Intermittent Incident .

  2. CHECK DTC PRIORITY 

    Check for DTCs P0501-00, P2121-00, P2122-00, P2123-00, P2127-00 or P2128-00 being current on the CONSULT screen.

    Is applicable DTC detected?

    YES

    Refer to DTC Index .

    NO

    GO TO 3 .

  3. CHECK DTC PRIORITY 

    Check for current DTCs related to any injector or rail pressure sensor circuit on the CONSULT screen.

    Is applicable DTC detected?

    YES

    Refer to DTC Index .

    NO

    GO TO 4 .

  4. CHECK DTC PRIORITY 
    1. Start the engine and operate at low idle.
    2. Check for current DTCs related to turbocharger, intake air throttle or EGR on the CONSULT screen.

    Is applicable DTC detected?

    YES

    Refer to DTC Index .

    NO

    GO TO 5 .

  5. CHECK DTC PRIORITY 
    1. Continue operating engine at low idle.
    2. Check for DTCs P0335-00, P0340-00 or P0344-00 being current on the CONSULT screen.

    Is applicable DTC detected?

    YES

    Refer to DTC Index .

    NO

    GO TO 6 .

  6. CHECK DTC PRIORITY 
    1. Continue operating engine at low idle.
    2. Check for current DTCs related to misfire or high count past DTCs related to misfire on the CONSULT screen.

    Is applicable DTC detected?

    YES

    Refer to DTC Index .

    NO

    GO TO 7 .

  7. PERFORM ACTIVE TEST 
    1. Turn ignition switch OFF.
    2. Turn ignition switch ON.
    3. Perform the high-pressure fuel injector return flow "Active Test" using CONSULT.

    Does the Active Test meet specifications?

    YES

    Refer to Symptom Diagnosis. Refer to Symptom Table .

    NO

    Replace the malfunctioning fuel injector(s). Refer to (cylinder 1 or 3) Removal and Installation (CYLINDER 1 and CYLINDER 3) , (cylinder 2 or 4) Removal and Installation (CYLINDER 2 and CYLINDER 4) , (cylinder 5 or 7) Removal and Installation (CYLINDER 5 and CYLINDER 7) , (cylinder 6 or 8) Removal and Installation (CYLINDER 6 and CYLINDER 8) .

scientia non olet · About LEMON Manuals