Approval Details

Valid E.O.


This Executive Order approved the specified parts on on February 27, 2001.
As of Sunday, May 19th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1998 through 2001 Ford Trucks equipped with the 7.3L diesel engineThe Stage 4 Power Module includes one electronic module and an insert for the vacuum line connected to the waste-gate actuator. The electronic module is plugged into the service port of the Ford electronic control module (ECM) and the insert is installed in the vacuum line of the waste-gate actuator (turbo models only). There are no user adjustments. The Stage 4 Power Module increases engine torque by increasing the fuel flow rate during high engine load conditions and delays the opening of the waste-gate actuator.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-516
  • Executive Order 516 / D516
  • ARB # D-516
  • Executive Order No: D-516
  • C.A.R.B. No. D-516
  • Resolution D-516
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-516 PDF

D-516 Document:

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