Vehicle-qus-4 by Ayushi Tyagi June 5, 2023 Ayushi Tyagi Share 0 FacebookTwitterPinterestLinkedinTumblrRedditWhatsappTelegram 4. Which part of a vehicle's engine is responsible for igniting the air-fuel mixture? Carburetor Spark plug Fuel injector Piston Time's up Leave a Comment Cancel Reply Save my name, email, and website in this browser for the next time I comment. * By using this form you agree with the storage and handling of your data by this website.