Approval Details

Valid E.O.


This Executive Order approved the specified parts on on October 6, 1992.
As of Monday, May 27th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsModification
6.9F1988-1993 Ford vehicles powered with 7.3 L Navistar intl. heavy-duty diesel engineA new 3" low restriction muffler is added. Fuel setting is adjusted by turning the fuel pump screw 60 degrees or 1/6 turn clockwise for 1992-93 vehicles, and 90 degrees or 1/4 turn for 1991 and older vehicles.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-161-30
  • Executive Order 161-30 / D161-30
  • ARB # D-161-30
  • Executive Order No: D-161-30
  • C.A.R.B. No. D-161-30
  • Resolution D-161-30
For Free CARB Executive Order Status verification, email an image of the device Executive Order label as well as the Year/Make/Model and Test Group # of the vehicle to [email protected]

Download: Executive Order D-161-30 PDF

D-161-30 Document:

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