Approval Details

Valid E.O.


This Executive Order approved the specified parts on on March 21, 2000.
As of Thursday, October 17th, 2019 this Executive Order has not been overturned or superceeded.

Approved Parts

1993 through 2000 model year trucks equipped with a turbocharged Navistar 7.3L diesel engineThe Diesel Controller is a replacement ECM that has been reprogrammed to increase fuel delivery at wide-open-throttle (WOT).

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-175-17
  • Executive Order 175-17 / D175-17
  • ARB # D-175-17
  • Executive Order No: D-175-17
  • C.A.R.B. No. D-175-17
  • Resolution D-175-17
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-175-17 PDF

D-175-17 Document:

                                             State of California
                                         AIR RESOURCES BOARD

                                     EXECUTIVE ORDER D—175—17
                              Relating to Exemptions Under Section 27156
                                           of the Vehicle Code

                                    HYPERMAX ENGINEERING, INC.
                                       DIESEL CONTROLLER

Pursuant to the authority vested in the Air Resources Board by Section 27156 of the Vehicle Code;

Pursuant to the authority vested in the undersigned by Section 39515 and Section 39516 of the
Health and Safety Code and Executive Order G—45—9;

IT IS ORDERED AND RESOLVED: That the installation of the Diesel Controller marketed by
Hypermax Engineering, Inc., 255 E Route 72, Gilberts, Iflinois 60136 has been found not to reduce
the effectiveness of the applicable vehicle pollution control system and, therefore, is exempt from the
prohibitions of Section 27156 of the Vehicle Code for 1993 through 2000 model year trucks equipped
with a turbocharged Navistar 7.3L diesel engine.

      Diese! Controller is a replacement ECM that has been reprogrammed to increase fuel delivery at
wide—open—throttle (WOT).                                                                —

This Executive Order is valid provided that the installation instructions for the Diesel Controller will not
recommend tuning the vehicle to specifications different from those of the vehicle manufacturer.

This Executive Order shall not apply to any Hypermax Engineering, Inc. Diesel Controller advertised,
offered for sale, sold with, or installed on, a motor vehicle prior to or concurrent with transfer to an
ultimate purchaser.

Changes made to the design or operating conditions of the Diesel Controller, as exempt by the Air
Resources Board, which adversely affect the performance of the vehicle‘s pollution control system
shall invalidate this Executive Order.

Marketing of the Diesel Controller using any identification other than that shown in this Executive
Order or marketing of the system for an application other than those listed in this Executive Order
shall be prohibited unless prior approval is obtained from the Air Resources Board. Exemption of the
system shall not be construed as exemption to sell, offer for sale, or advertise any component of the
kit as an individual device.

This Executive Order is granted based on submitted emissions test data, conducted at Roush
      stries, on a 2000 Ford Excursion with a 7.3L diesel engine. Testing consisted of comparative
      Start 505 Federal Test Procedures.

    HYPERMAX ENGINEERING, INC.                           EXECUTIVE ORDER D—175—17
    DIESEL CONTROLLER                                    (Page 2 of 2)

4                     HC       CO      NOX      PARTICULATES
    Stock             0.59     25      5.5        0.23
    Diesel Controller 0.56     2.17    5.7        0.18
    % Difference      —5.0     8.0     3.6      —21.7

    Results from the emission tests show the vehicle emissions with the Diesel Controlier installed did
    not cause exhaust emissions to exceed the baseline emissions by more than the allowed limits of 10
    percent or 0.1 grams per mile on hydrocarbon (HC), oxides of nitrogen (NOx) and Particulates, and
    15 percent or 1.0 grams per mile carbon monoxide (CO) as specified in the "Procedures for
    Exemption of Add—On and Modified Parts".

    This Executive Order is also based on On Board Diagnostic II (OBD 1I) testing and opacity testing on
    the same test vehicle. Opacity test results are listed below. Test data showed that the Diesel
    Controller when installed on the vehicles did not significantly affect the vehicle‘s smoke opacity or the
    ability to perform its OBD II monitoring.

                      OPACITY (Percent)
    Stock             4.9, 5.7, 4.3
    Diesel Controller 5.0, 6.1, 4.5

         Executive Order does not constitute any opinion as to the effect the use of the Diesel Controlier
         have on any warranty either expressed or implied by the vehicle manufacturer.


    No claim of any kind, such as "Approved by the Air Resources Board", may be made with respect to
    the action taken herein in any advertising or other oral or written communication.

    Violation of any of the above conditions shall be grounds for revocation of this order. The order may
    be revoked only after a ten—day written notice of intention to revoke the order, in which period the
    holder of the order may request in writing a hearing to contest the proposed revocation. If a hearing
    is requested, it shall be held within ten days of receipt of the request and the order may not be
    revoked until a determination after hearing that grounds for revocation exist.

    Executive Order D—175—15 dated September
                                          1998, is superseded and of no further force and effect.

    Executed at El Monte, California, this 02/
                                             day of March 2000.

                                   @ erfield, Chie
                                   Mobile Source Operations Division

Document Created: 2005-09-01 12:43:02
Document Modified: 2005-09-01 12:43:02

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