1995 3000GT: Defi Fuel Pressure Sensor Installation

These instructions apply to a 1995 Mitsubishi 3000GT VR-4, but are easily transferable to any model/year of 3000GT or Dodge Stealth.

The Procedure

Lay Out Parts
  Gather all your parts and make sure everything will fit together.


Assemble Sensor and Fittings
  Assembled unit - use teflon tape to ensure a good connection.


Install Sensor Assembly
  After relieving fuel line pressure (see fuel filter instructions for details), carefully cut the high-pressure fuel feed line using your tubing cutters. This is the line that goes to the FRONT fuel rail, not the rear one. You can also identify this hose as it is the one that connects to the top of the fuel filter.

Have rags/towels availble to catch any fuel that runs out of the newly-cut hose. You want this cut to be as clean as possible to reduce the possibility of leaks. Leaks in the fuel system are not to be taken lightly as it could easily cause an engine fire.

Depending on how much room you have in the area of the fuel lines, you may want to cut out a 1" section of the fuel hose so that the new connections do not extend the overall length of the hose too much. I didn't need to do this.

Slide the ends of the hose onto the barbs in the Tee fitting and attach the band clamps securely.



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Last Modified Thu Jul 10 2003 17:28:28 PDT