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Home >> Chrysler >> 1998 >> Sebring Limited >> Repair and Diagnosis >> Engine Performance >> System >> Engine Self-Diagnostics - With Codes >> DTC Test >> Test NS-2A: Checking Fuel System
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Test NS-2A: Checking Fuel System

NOTE: Perform TEST DTC before proceeding.
WARNING: High fuel pressure may be present in fuel lines. Open fuel system with caution. See FUEL SYSTEM PRESSURE RELEASE .
  1. Ensure throttle cables are not holding throttle open. If throttle is being held open, repair as necessary. Perform TEST VER-1A . If throttle is not being held open, go to next step.
  2. Using scan tool, read Throttle Position (TP) sensor voltage. If voltage is more than 1.5 volts, go to next step. If voltage is 1.5 volts or less, go to step 4)  .
  3. Disconnect TP sensor connector. Inspect TP sensor connector for pushed out terminals or damage. If TP sensor connector is okay, replace TP sensor. Perform TEST VER-1A . If TP sensor connector is damaged, repair as necessary. Perform TEST VER-1A .
  4. If vehicle is equipped with a factory theft security system, go to next step. If vehicle is not equipped with a factory theft security system, go to step 6)  .
  5. Using scan tool, read theft security system status. If scan tool shows fuel is on, go to next step. If scan tool does not show fuel is on, perform theft security system test. See appropriate ANTI-THEFT SYSTEMS article in ACCESSORIES & EQUIPMENT. If anti-theft system article does not find a problem with theft alarm, replace Powertrain Control Module (PCM). Perform TEST VER-1A .
  6. Using scan tool, actuate ASD fuel system test. Check for fuel pump operation at fuel tank. If fuel pump operates, go to next step. If fuel pump does not operate, go to TEST NS-5A .
  7. Using scan tool, stop ASD fuel system actuation. Turn ignition off. Ensure fuel tank is at least 1/4 full before performing this test. Release fuel pressure. Install fuel pressure gauge to fuel rail. Go to next step.
  8. Turn ignition on. Using scan tool, actuate ASD fuel system test. Read fuel pressure gauge. See FUEL PRESSURE SPECIFICATION  table. If fuel pressure is within specification, go to next step. If fuel pressure is more than specification, perform TEST NS-4B . If fuel pressure is less than specification, perform TEST NS-4A .
    FUEL PRESSURE SPECIFICATION

    Application Fuel Pressure PSI (kPa)
    Avenger, Sebring Coupe & Talon 47-50 (324-345)
    Breeze, Cirrus, Neon, Sebring Conv. & Stratus
    4-Cylinder 49 (338)
    V6 47-51 (324-352)
  9. Using scan tool, stop ASD fuel system actuation. Attempt to start vehicle. If vehicle started and stalled repeatedly, go to TEST NS-7A . If vehicle did not start and stall repeatedly, fuel pressure is okay. Go to TEST NS-3A .
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