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Electronic Fuel Injection System. Chapter Three Unit Two Electronic Fuel Injection System. Step I. Duty Report Step II. Review Review what they learnt in the last class why we need an electronic control system what’s the function of electronic control system what’s the development of it - PowerPoint PPT Presentation
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Electronic Fuel Injection SystemElectronic Fuel Injection System
Chapter ThreeChapter Three Unit Two Electronic Fuel Injection SystemUnit Two Electronic Fuel Injection System
• Step I. Duty Report• Step II. Review • Review what they learnt in the last class• why we need an electronic control system• what’s the function of electronic control system• what’s the development of it• how does it work• Recite the new words
Chapter ThreeChapter Three Unit Two Electronic Fuel Injection SystemUnit Two Electronic Fuel Injection System
• Step III. Reading material• Ask the students read the whole text and
get the main idea• Discuss about the text • Step IV. Electronic fuel injection system• New words:• Check the pronunciation of the new words• main usage of the words
Chapter ThreeChapter Three Unit Two Electronic Fuel Injection SystemUnit Two Electronic Fuel Injection System
• Structure:• Put forward a problem which can’t be solved
by mechanical device.(passage 1-6)• The solution to the problem: a carbureted
system with electronic fuel injection. (passage 7)
• EFI can be broken down to three subsystem (passage 8)
Chapter ThreeChapter Three Unit Two Electronic Fuel Injection SystemUnit Two Electronic Fuel Injection System
•
Chapter ThreeChapter Three Unit Two Electronic Fuel Injection SystemUnit Two Electronic Fuel Injection System
• what’s EFI (passage 9)
• How does it works (passage 10)
• three methods of regulating the quantity of fuel injected (passage 11)
• throttle body injection (passage 12-16)
Chapter ThreeChapter Three Unit Two Electronic Fuel Injection SystemUnit Two Electronic Fuel Injection System
•
Chapter ThreeChapter Three Unit Two Electronic Fuel Injection SystemUnit Two Electronic Fuel Injection System
•
Chapter ThreeChapter Three Unit Two Electronic Fuel Injection SystemUnit Two Electronic Fuel Injection System
• Step V. Exercise
• Ask the students translate some passages
• Ask the students describe the main units of the electronic fuel injection system, and their main functions
