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.
Original table alignment retained · Scroll horizontally if needed
NORTH CAROLINA
NORTH CAROLINA EMISSION STANDARDS - IDLE TEST
Application | HC ppm (CO %) |
Light Duty Vehicles (8500 GVWR Or Less) | |
1977 | 450 (4.5) |
1978-79 | 350 (3.5) |
1980 | 250 (2.0) |
1981 & Newer | 250 (1.2) |
Heavy Duty Trucks (8501 GVWR Or More) | |
1977-78 | 500 (5.0) |
1979 & Newer | 400 (4.0) |
OHIO
NOTE: The Ohio program incorporates original U.S. EPA recommended start-up
ASM2525 standards for all model year vehicles. Refer to appropriate model year range in appropriate table. See U. S. EPA ASM2525 & ASM5015 START-UP EMISSION STANDARDS .
OHIO EMISSION STANDARDS - 2-SPEED IDLE TEST
Application | HC ppm (CO %) |
1978 | 350 (4.0) |
1979 | 275 (3.0) |
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.