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Home >> Dodge and Ram >> 1998 >> Caravan Base, 2.4 B >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 2.4L >> DTC Test >> Test NTC-5C - Checking Fuel Pressure

Test NTC-5C - Checking Fuel Pressure

NOTE: Perform TEST NTC-5A - CHECKING FUEL PRESSURE  before proceeding.
WARNING: Fuel system is under high pressure. Release fuel pressure before opening fuel system. See FUEL PRESSURE RELEASE .
  1. Using scan tool, stop ASD fuel system test. Release fuel pressure. Remove fuel pressure gauge.
  2. Remove fuel return line located between fuel pump module and fuel filter. See Fig 1. Fuel filter is located on top of fuel tank, near fuel pump module.
    Fig 1: Locating Fuel Pump Module, Fuel Filter & Fuel Lines
    G95E32718
  3. Using shop air, apply 40 psi (2.8 kg/cm2 ) air pressure on fuel return line while checking fuel return line for restrictions. If fuel return line is restricted, replace fuel return line. Fuel return line is permanently attached to fuel filter and fuel filter must be replaced when servicing fuel return line. Perform TEST VER-2A - ROAD TEST VERIFICATION . If fuel return line is not restricted, replace fuel pressure regulator mounted on bottom of fuel pump module located on top of fuel tank. Perform TEST VER-2A - ROAD TEST VERIFICATION .
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