SIP Revision: Vehicle Inspection and Maintenance, October 24, 2001
On October 24, 2001, the TCEQ adopted a revision to the Vehicle Inspection and Maintenance (I/M) Program of the Texas State Implementation Plan (SIP) for the ozone nonattainment areas of Dallas–Fort Worth, El Paso, and Houston-Galveston-Brazoria. This page provides information on this SIP revision.
About the Revision
EPA Approval Date: 11/14/2001 ( 66 FR 57264)
Key Changes: This SIP revision incorporates the following rules related to the implementation of the state’s Motor Vehicle Emission Inspection and Maintenance (I/M) program:
- requires all high-volume vehicle emissions test stations in the Dallas–Fort Worth (DFW) and Houston-Galveston-Brazoria (HGB) program areas to offer both acceleration simulation mode (ASM-2) testing and on-board diagnostics (OBD) testing to the public;
- requires all vehicle emissions test stations in the El Paso (ELP) program area to offer both two-speed idle (TSI) testing and OBD testing to the public;
- adjusts the administrative portion of the test fees remitted to the state;
- increases fees for the ELP area should the county opt into the low-income vehicle repair assistance, retrofit, and accelerated vehicle retirement program (LIRAP) created by House Bill 2134, 77th Legislature, 2001;
- requires a test-on-resale component established by House Bill 2134;
- incorporates the TSI and ASM-2 specifications into one equipment specification document with an amended date;
- sets new equipment requirements and specifications regarding OBD equipment;
- deletes the section related to waivers and extensions and creates a new section to establish an early participation incentive program.
SIP Narrative and Appendices
Associated Rule Change
For more information please visit the TCEQ's Vehicle Inspection and Maintenance Program Web page.
For questions regarding this issue, please e-mail