The vane/flap type air flow meter
- Created by: LaurenEdney
- Created on: 28-04-16 17:53
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- The vane/flap type air flow meter
- Bosch L-Jetronic and early Motronic EFI systems or Hitachi measure air volume
- Hot wire and hot film air mass meters measure speed of air flow
- Includes a spring which returns the internal flap to the initial position
- Sometimes if the spring is tensioned too tightly, it can restrict the incoming air and it would cause the intake air speed to increase when not opened fully
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