Approval Details

Valid E.O.


This Executive Order approved the specified parts on on February 10, 1993.
As of Tuesday, June 25th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
M-20-L1993 and older model-year vehicles operating on LPG and utilizing IMPCO or IMPCO-compatible feedback controlled conversion system.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-261-4
  • Executive Order 261-4 / D261-4
  • ARB # D-261-4
  • Executive Order No: D-261-4
  • C.A.R.B. No. D-261-4
  • Resolution D-261-4
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-261-4 PDF

D-261-4 Document:

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