Approval Details

Valid E.O.


This Executive Order approved the specified parts on on January 5, 1993.
As of Thursday, September 21st, 2023 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
E919P, E923P E1004P,E1005P E10291987 and older model-year GM vehicles with 267-400 CID carbureted gasoline engines

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-291
  • Executive Order 291 / D291
  • ARB # D-291
  • Executive Order No: D-291
  • C.A.R.B. No. D-291
  • Resolution D-291
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-291 PDF

D-291 Document:

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