Check the named application. This is a general Ford appendix and may describe vehicles other than Mustang. Model and year tables take precedence over the collection filename. Any emissions standards are historical source material.
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U. S. EPA REVISED FINAL ASM EMISSION STANDARDS (ASM5015 & ASM2525)
NOTE: EPA has not published a revised final standards for High Altitude, Light Duty Trucks 2 (6000-8500 GVWR), or vehicles older than 1980 model year. EPA guidance as of February 2003 states that a program may choose to use combinations of the Original and the Revised Final Standards.
U.S. EPA REVISED FINAL ASM EMISSION STANDARDS
Application | ASM5015 | ASM2525 | ||
HC ppm (CO %) | NOx ppm | HC ppm (CO %) | NOx ppm | |
Passenger Cars | ||||
1980 | 275 (1.3) | 8500 | 500 (2.3) | 4750 |
1981-82 | 275 (1.3) | 3600 | 500 (2.3) | 3500 |
1983-89 | 275 (1.1) | 3600 | 500 (1.6) | 3500 |
1990 & Newer | 275 (1.1) | 3600 | 300 (1.6) | 3500 |
Original technical text and illustrations, formatted as HTML. Follow the engine, transmission, equipment, model and year specified in the source. Import and layout checks do not establish applicability to every 2015–2017 Mustang. About this collection.