Mitchell 1 announced the release of its 2025 Emission Control Application Guide (ECAT25).

The guide covers domestic and import cars, light trucks, vans (diesel engines) and Class ‘A’ motor homes with gasoline engines – spanning model years 1966-2025.   

Specific content features in the 2025 edition include:

• Emission application table
• Engine displacement conversion charts
• Emission control visual inspection procedures
• Approximately 40 years of domestic and imported basic ignition timing specifications
• 1980-2024 maintenance reminder light reset procedures
• The latest EPA emission recall bulletins
• Quick reference listing for major systems, devices and components

A standardized emission control abbreviation list includes:

• 1966-2025 domestic cars, light trucks and vans (gasoline engines)
• 1968-2025 imported cars, light trucks and vans (gasoline engines)
• 1966-2025 medium and heavy-duty domestic trucks (gasoline engines)
• Class “A” motor homes (gasoline engines)
• 1984-2025 domestic and import cars, light trucks and vans (diesel engines)

“The 2025 ECAT guide is an invaluable resource for auto repair shops that perform emission testing and/or repairs as it ensures they stay in compliance with state emission standards,” said Jen MacDonald, director of marketing for Mitchell 1. “We recommend using the new guide alongside our online auto repair information available in our ProDemand software.”

To order a copy of the two-volume 2025 Emission Control Application Guide, click here or call 888-724-6742.

For more information, visit mitchell1.com, call (888) 724-6742, or locate an independent sales consultant at www.mitchellrep.com.