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Vacuum Hose Diagram Besides air leaks around the air filter box and intake hose, vacuum leaks can also lead to poor
fuel injection performance. The following diagram is provided to assist in locating the vacuum hoses in the 912E. Please
note that the smog pump injection system is not shown.
Charcoal FIlter
Anti-Backfire Valve
Pressure
Regulator
EGR
AIr FLow
Sensor
Filter Box
Auxiliary Air
Regulator
To Muffler
Fan Housing
22
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