Quick Links Take a Practice Exam Contribute to the Site Browse the Exams About this Site Privacy Policy Terms & Conditions Site Map New User Log In Examine My Cookies Contact WebMaster   Exams4Pilots Forum Forum Home - Latest News - Testimonials - Tips & Tricks - Stuck Mike - Bug Reports - Feature Request	SiteMap You are here: home->amp->O02->O.8.7.8.1.A.1 8781 The use of the carburetor air heater when it is not needed causes A) a very lean mixture. B) a decrease in power and possibly detonation. C) excessive increase in manifold pressure.

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