Approval Details

Valid E.O.


This Executive Order approved the specified parts on on October 24, 1995.
As of Sunday, July 14th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsModification
3133936-HD1992-1993 AM General Hummers with 6.2L diesel enginesFor the fuel injection pump on diesel applications, fuel delivery is increased by turning the maximum fuel delivery screw by 1/4 turn in the clockwise direction. The following is a list of major parts found in kit# 3133936-HD: Supercharger (P/N3133, Intake Manifold, Aux, Crankshaft Pulley(GM P/N 10085753 7.5),& open Element Air Filter.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-231-8
  • Executive Order 231-8 / D231-8
  • ARB # D-231-8
  • Executive Order No: D-231-8
  • C.A.R.B. No. D-231-8
  • Resolution D-231-8
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-231-8 PDF

D-231-8 Document:

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