Chrysler Full-Size Vans 1989-1998 Repair Guide

Fuel Injector(s)

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TESTING



See Figure 1

Refer to the following Injector Diagnosis Chart.



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Fig. Fig. 1: Fuel injector diagnostic chart

REMOVAL & INSTALLATION



See Figures 2, 3, 4 and 5


CAUTION
Observe all applicable safety precautions when working around fuel. Whenever servicing the fuel system, always work in a well ventilated area. Do not allow fuel spray or vapors to come in contact with a spark or open flame. Keep a dry chemical fire extinguisher near the work area. Always keep fuel in a container specifically designed for fuel storage; also, always properly seal fuel containers to avoid the possibility of fire or explosion.

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the engine cover.
  4.  
  5. Remove the air cleaner assembly.
  6.  
  7. Remove the fuel rail assembly.
  8.  
  9. Remove the clip(s) retaining the injector(s).
  10.  
  11. Remove the injector(s) from the fuel rail.
  12.  

To install:
  1. Apply a small amount of engine oil to each injector O-ring.
  2.  
  3. Install the injector(s) onto the fuel rail and install the clip(s).
  4.  
  5. Install the fuel rail assembly.
  6.  
  7. Install the air cleaner assembly.
  8.  
  9. Connect the negative battery cable.
  10.  
  11. Start the engine and check for leaks.
  12.  
  13. Install the engine cover.
  14.  



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Fig. Fig. 2: The injectors are held onto the fuel rail by clips



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Fig. Fig. 3: There are two O-rings located on the fuel injectors, one on top and one on the bottom



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Fig. Fig. 4: Use a suitable tool to remove the O-rings from the injector



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Fig. Fig. 5: Cutaway view of an MFI fuel injector's components

 
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