(a) The exhaust emissions from new 1983 and subsequent model year federally certified passenger cars and light-duty trucks, subject to registration and sold and registered in this state pursuant to section 43102(b) of the California Health and Safety Code, shall not exceed the applicable federal emission standards as determined under applicable federal test procedures.

(b) With respect to any new vehicle required to comply with the standards set forth in paragraph (a), the manufacturer's written maintenance instructions for in-use vehicles shall not require scheduled maintenance more frequently than or beyond the scope of maintenance permitted under the test procedures referenced in paragraph (a). Any failure to perform scheduled maintenance shall not excuse an emissions violation unless the failure is related to or causes the violation.

(c) The standards and procedures for certifying in California 1983 through 2002 model-year federally-certified light-duty motor vehicles are set forth in “Guidelines for Certification of 1983 through 2002 Model-Year Federally Certified Light-Duty Motor Vehicles for Sale in California,” adopted July 20, 1982, as last amended July 30, 2002, which is incorporated herein by reference. The standards and procedures for certifying in California 2003 and subsequent model-year federally-certified light-duty motor vehicles are set forth in “Guidelines for Certification of 2003 and Subsequent Model-Year Federally Certified Light-Duty Motor Vehicles for Sale in California,” adopted July 30, 2002, which is incorporated herein by reference.