Avenger, Sebring Coupe, Stratus Coupe, 1999-2006

Multi-Port Fuel Injection System (MFI)

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Fuel Rail (Supply Manifold) & Injectors



Removal & Installation
2.4L Engine
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Relieve the fuel system pressure.
  4.  
  5. Drain the engine coolant.
  6.  
  7. Remove or disconnect the following:

    Negative battery cable and properly isolate to prevent accidental reconnection.
     
    Air cleaner assembly
     
    Accelerator cable connection
     
    Throttle Position (TP) sensor connector
     
    Idle Air Control (IAC) motor connector
     
    Vacuum hose connector(s)
     
    Water hose
     
    Throttle body stay
     
    Throttle body and gasket
     
    Positive Crankcase Ventilation (PCV) hose connection
     
    Ignition coil connector
     
    Fuel injector connectors
     
    Manifold Differential Pressure (MDP) sensor
     
    Fuel lines
     
    Vacuum hose connections
     
    Fuel pressure regulator and O-ring
     
    Fuel rail with the injectors attached
     
    Insulators
     
    Injectors, O-rings and grommets

    Click image to see an enlarged view

    Fig. Exploded view of the fuel rail, injectors and related components-2.4L engine

     

  8.  

To install:

  1. Install or connect the following

    Grommets, O-rings and injectors to the fuel rail
     
    Insulators
     
    Fuel rail assembly
     

  2.  
  3. Use a drop of engine oil on the new O-rings and install the injector into the fuel rail using a left-right twisting motion.
  4.  
  5. After it is installed, make sure the injector turns freely. If it does not, the O-ring may be pinched.
    WARNING
    Do not get engine oil into the fuel rail.



    Vacuum hose connections
     
    Fuel lines
     
    MDP sensor
     
    Injector connections
     
    Ignition coil connector
     
    PCV hose
     
    Throttle body gasket and throttle body
     
    Throttle body stay
     
    Water hose
     
    Vacuum hose connector(s)
     
    IAC motor connector
     
    TP connector
     
    Accelerator cable connection
     
    Air cleaner assembly
     
    Negative battery cable.
     

  6.  
  7. Start the vehicle, check for leaks and repair if necessary.
  8.  

 
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