F 150 Heritage 4WD Pickup V8-5.4L SOHC VIN Z Bi-fuel (2004)
18. Connect the IAC valve electrical connector.
19. Install the IAC valve fresh air tube.
All engines
20. Connect the eight fuel injector electrical connectors.
21. Connect the eight ignition coil electrical connectors.
22. Connect the fuel hose spring lock couplings.