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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 126 (Engine Mechanical (CUMMINS 5.0L) (1 Of 2)) >> Basic Inspection >> Fuel System >> High-Pressure Fuel Injector Drain Line Restriction >> General Information

General Information

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  1. The following procedure contains measurement steps and specifications regarding the engines fuel system components.
    CAUTION: To avoid possible engine and system damage or performance issues:
    • Brush away all dirt and debris from the area prior to opening any fuel, air intake, exhaust, cooling, aftertreatment or other engine system.
    • To avoid contamination, any open engine system ports must be closed immediately with clean care caps or an appropriate covering.
    • Do not allow any debris to fall into the engine.
    • Do not allow any chemical cleaners to enter the engine or any open systems during the cleaning process.
    NOTE: This procedure is not intended to take the place of troubleshooting tree repair direction. Refer to Symptom Table .
  2. The purpose of this test is to check for a restricted injector drain line (1).
    GNSALBIA2280Z-280Courtesy of NISSAN NORTH AMERICA, INC.
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