Inspection & Maintenance (I/M) - Tampering and Warranty

This page provides information on warranty coverage and a memorandum for exemption from tampering for enforcement purposes under the U.S. EPA's vehicle inspection and maintenance program.

Contact: John Lacroix, phone: (734) 214-4463, email: lacroix.john@epa.gov

NOTE: You will need Adobe Acrobat Reader, available as a free download, to view some of the files on this page. See EPA's PDF page to learn more about PDF, and for a link to the free Acrobat Reader.

The memo which must be completed in order for state agencies to legally tamper with certified vehicle configurations so that cars can be used in covert audits of I/M programs (PDF) (11K, EPA420-B-99-010, December 1999)
Fact Sheet: Emission warranties for 1995 and newer cars and trucks (PDF) (27K, EPA420-F-96-020, March 1996)
Fact Sheet: If Your Car Just Failed An Emissions Test... You May Be Entitled To Free Repairs (PDF) (24K, EPA420-F-95-014, December 1995)
A list of parts that are considered "emission related" for purposes of warranty emission repairs (PDF) (14K, EPA420-B-91-001, July 1991)

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Inspection & Maintenance (I/M) - Tampering and Warranty

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