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Home >> Ford >> 2017 >> Transit-150 Base, 3.2L Eng VIN V >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Description & Operation (Diesel) >> Engine Control Components >> Fuel Injectors >> Hydraulic Coupler
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Hydraulic Coupler

The hydraulic coupler transfers the longitudinal movement from the piezo actuator to the fuel injector control valve. It also acts as a seal preventing fuel from entering the piezo actuator device.