F 150 Heritage 4WD Pickup V8-5.4L SOHC VIN Z Bi-fuel (2004)
18. Install the heated PCV hose harness.
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Install the PCV valve.
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Connect the PCV hose to the intake manifold.
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Connect the heated throttle body outlet hose.
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Connect the PCV hose to the throttle body adapter.
19. Connect the heater hose.
20. Install the exhaust manifold to EGR valve tube and connect the differential pressure feedback EGR system hoses.